A gas diffusion system including a gas supply and a gas diffuser. In one example the gas diffuser includes an open end connected to the gas supply, a closed end, and a porous diffuser wall extending from the open end to the closed end and defining an interior cavity. The porous diffuser wall is formed of a single material, and has at least a first wall thickness and a second wall thickness between the interior cavity and an exterior of the porous diffuser wall, with the first wall thickness being thinner than the second wall thickness. A gas flow rate out of the porous diffuser at the first wall thickness is greater than a purge gas flow rate out of the porous diffuser at the second wall thickness.
H01L 21/67 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
H01L 21/673 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components using specially adapted carriers
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
A liquid sample processing method includes opening a closed container by removing a closure of the container from an opening of the container to access a liquid sample collector including a liquid sample collection member and an elongated handle. Before removing the closure, the container may be secured with a holder. After separating the liquid sample collection member, a plunger with a liquid pathway extending through it is pushed downward to compress the liquid sample collection member such that at least some of the liquid sample flows through the liquid pathway.
A device (10) for storing or delivering an aqueous solution and methods for manufacturing the device. The includes a non-porous hydrophobic substrate (100); and a plurality of hydrophilic porous protrusions (102) discretely distributed on the non-porous hydrophobic substrate and integrally formed on the non-porous hydrophobic substrate. Each of the plurality of hydrophilic porous protrusions is configured to absorb and hold an aqueous solution e.g., an ink, a biological liquid sample, or paint. The hydrophilic porous protrusions can have same or different shapes. The protrusions can be distributed in any desired pattern.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
4.
SINTERED POROUS POLYPROPYLENE MEDIA AND APPLICATIONS
Compositions including a sintered porous ultra-high-molecular-weight polypropylene material having a viscosity average molecular weight over 500,000, an average porc size ranging from 10 μm to 200 μm, and a porosity ranging from 20% to 60%. Devices and methods including such compositions.
B01D 15/22 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the construction of the column
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
B43K 8/02 - Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
5.
SINTERED POROUS POLYPROPYLENE MEDIA AND APPLICATIONS
Compositions including a sintered porous ultra-high-molecular-weight polypropylene material having a viscosity average molecular weight over 500,000, an average pore size ranging from 10 μm to 200 μm, and a porosity ranging from 20% to 60%. Devices and methods including such compositions.
B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
C08L 23/10 - Homopolymers or copolymers of propene
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
B43M 11/00 - Hand or desk devices of the office or personal type for applying liquid, other than ink, by contact to surfaces, e.g. for applying adhesive
A01M 1/20 - Poisoning, narcotising, or burning insects
B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
B05C 17/005 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
A free liquid applicator includes a housing containing a free liquid and a dispensing opening. An insert is secured in the dispensing opening of the housing. The insert includes an applicator portion and a vent portion. The applicator portion exerts a capillary force on the free liquid that is higher than the capillary force exerted on the free liquid by the vent portion.
Provided herein is a system comprising a reservoir comprising a porous fibrous material or a sintered porous plastic material, a solution disposed in the reservoir; and a sheath at least partially encapsulating the reservoir, wherein the system is characterized by an emanation rate of the solution out of the system when the system is exposed to the external environment such that capillary force pumps the solution from the reservoir towards the sheath, and the emanation rate is a function of at least one of the sheath density and the reservoir density. Also provided herein is a method of fabricating an emanating system and a method of emanating.
The present disclosure provides small diameter tubular porous fiber filters. These tubular porous fiber filters have many uses including but not limited a filtration medium for removing particles of 5 microns or less from liquid or air.
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
B01D 29/03 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements self-supporting
A liquid specimen collection device. Various embodiments implement oral fluid collection, extraction, storage, and/or testing. The device can be used to collect fluid, and to then extract and prepare the fluid for analysis, which can eliminate human error in collection and reduce complexity in diagnostic analysis. The disclosed device may be used to collect any liquid specimen. Any instance when liquid should be collected, stored, and tested may benefit from use of this disclosure.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
10.
LIQUID SAMPLE COLLECTION DEVICES, SYSTEMS, AND METHODS
Liquid sample collection devices, systems, and methods. In one example, the system includes a liquid collection device, a cap for the liquid collection device, and a sealed reagent liquid container installed in the cap, in which depressing the cap relative to the liquid collection device unseals the reagent liquid container. In another example, the system includes a liquid collector and a collection chamber in which the collection chamber holds a reagent in a sealed condition and the liquid collector is actuable to disrupt a sealing membrane associated with the collection chamber. In another example, the system includes a liquid collector and a collection chamber in which the liquid collector holds a reagent in a sealed condition and in which the liquid collector is actuable to drain the reagent from the liquid collector into the collection chamber.
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
A61B 10/02 - Instruments for taking cell samples or for biopsy
11.
Liquid Sample Collection Devices, Systems, and Methods
Liquid sample collection devices, systems, and methods. In one example, the system includes a liquid collection device, a cap for the liquid collection device, and a sealed reagent liquid container installed in the cap, in which depressing the cap relative to the liquid collection device unseals the reagent liquid container. In another example, the system includes a liquid collector and a collection chamber in which the collection chamber holds a reagent in a sealed condition and the liquid collector is actuable to disrupt a sealing membrane associated with the collection chamber. In another example, the system includes a liquid collector and a collection chamber in which the liquid collector holds a reagent in a sealed condition and in which the liquid collector is actuable to drain the reagent from the liquid collector into the collection chamber.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
A device (10) for storing or delivering an aqueous solution and methods for manufacturing the device. The includes a non-porous hydrophobic substrate (100); and a plurality of hydrophilic porous protrusions (102) discretely distributed on the non-porous hydrophobic substrate and integrally formed on the non-porous hydrophobic substrate. Each of the plurality of hydrophilic porous protrusions is configured to absorb and hold an aqueous solution e.g., an ink, a biological liquid sample, or paint. The hydrophilic porous protrusions can have same or different shapes. The protrusions can be distributed in any desired pattern.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
B41M 3/00 - Printing processes to produce particular kinds of printed work, e.g. patterns
B44D 3/00 - Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided forMethods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
An improved biological sample preparation device and method of using the device, the device including a squeezable tube and a tip assembled to the squeezable tube. The tip includes a filter and a wick configured to enable controlled delivery to a diagnostic device by capillary action. The device provides precise and repeatable sample volume dispensing control, reduces potential contamination in the working environment, increases ease of use, and improves safety for healthcare workers.
An improved biological sample preparation device and method of using the device. The disclosed device provides improved sample volume control, reduces potential contamination in the working environment, increases ease of use, and improves safety for healthcare workers.
A liquid specimen collection device. Various embodiments implement oral fluid collection, extraction, storage, and/or testing. The device can be used to collect fluid, and to then extract and prepare the fluid for analysis, which can eliminate human error in collection and reduce complexity in diagnostic analysis. The disclosed device may be used to collect any liquid specimen. Any instance when liquid should be collected, stored, and tested may benefit from use of this disclosure.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
18.
SINTERED POROUS ELASTOMERIC MATERIAL AND APPLICATION OF THE SAME
A sintered elastomeric material combined with at least one absorbent material and formed into a thin compressible sheet. The material finds particular use in venting or filtering gasses. In specific examples, the elastomeric material may be a thermoplastic elastomer and the absorbent material may be carbon. When an amount of carbon (or any other type of conductive material) included with the elastomeric material is high enough, the material may also find use as a conductive material.
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
A liquid specimen collection device. Various embodiments implement oral fluid collection, extraction, storage, and/or testing. The device can be used to collect fluid, and to then extract and prepare the fluid for analysis, which can eliminate human error in collection and reduce complexity in diagnostic analysis. The disclosed device may be used to collect any liquid specimen. Any instance when liquid should be collected, stored, and tested may benefit from use of this disclosure.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
A liquid specimen collection device. Various embodiments implement oral fluid collection, extraction, storage, and/or testing. The device can be used to collect fluid, and to then extract and prepare the fluid for analysis, which can eliminate human error in collection and reduce complexity in diagnostic analysis. The disclosed device may be used to collect any liquid specimen. Any instance when liquid should be collected, stored, and tested may benefit from use of this disclosure.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Chemicals for use in science; unprocessed artificial resins, unprocessed plastics; cell culture media for scientific and research use; cell culture media for laboratory use; environmental quality control fluid samples for calculating standards for testing and verifying the quality of water; environmental quality control gas samples for calculating standards for testing and verifying the quality of water. Medical preparations; plasters; materials for dressings; drug testing kits comprised of medical diagnostic reagents and assays for testing body fluids; medical diagnostic reagents. Scientific, research, weighing, measuring, detecting, testing, and inspecting apparatus and instruments; diagnostic apparatus for testing food; laboratory swabs; filters for blood and blood components for laboratory use; filters for use in laboratory equipment in the biopharmaceutical industry; laboratory apparatus and instruments, namely, bottle top filters used for the purification of tissue culture media; filters used in scientific and forensic apparatus in drug detection processes. Surgical, medical, dental and veterinary apparatus and instruments; filters for use in medical instruments and apparatus; medical diagnostic kits; medical devices for obtaining body fluid samples; blood filters; filters for blood and blood components for medical purposes; kits comprised of a swab and a tube used to collect, filter, and contain bodily fluid for medical purposes.
22.
SINTERED POROUS ELASTOMERIC MATERIAL AND APPLICATION OF THE SAME
A sintered elastomeric material combined with at least one absorbent material and formed into a thin compressible sheet. The material finds particular use in venting or filtering gasses. In specific examples, the elastomeric material may be a thermoplastic elastomer and the absorbent material may be carbon. When an amount of carbon (or any other type of conductive material) included with the elastomeric material is high enough, the material may also find use as a conductive material.
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
The present application provides robotic liquid handling and assay systems which can selectively and efficiently insert porous media into liquid handling devices, particularly into pipette tips.
The present disclosure provides small diameter tubular porous fiber filters. These tubular porous fiber filters have many uses including but not limited a filtration medium for removing particles of 5 microns or less from liquid or air.
B01D 29/33 - Self-supporting filtering elements arranged for inward flow filtration
B01D 29/03 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements self-supporting
29.
Infusion device with a hydrophilic sintered porous plastic or hydrophilic porous fiber air stop filter
The present invention provides infusion devices, such as intravascular (IV) devices, comprising a hydrophilic sintered porous plastic filter or a hydrophilic porous fiber filter which are effective at stopping or greatly reducing transmission of air through the filter.
A61M 5/38 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular wayAccessories therefor, e.g. filling or cleaning devices, arm rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
A61J 1/14 - Containers specially adapted for medical or pharmaceutical purposes DetailsAccessories therefor
The present application provides robotic liquid handling and assay systems which can selectively and efficiently insert porous media into liquid handling devices, particularly into pipette tips.
The present disclosure provides composite porous media. In one example, the composite porous media provides a sintered media that is combined or otherwise associated with either (i) a porous fiber media or (ii) a porous foam media. The sintered media may be a sintered porous plastic media or a sintered porous elastomeric media. The disclosed porous media have many applications, including but not limited to, a liquid transfer medium, an impact resistant medium, or a wound care medium.
The instant disclosure relates to an integral porous fiber media with distinguishable distribution of fiber density, fiber diameter and capillary force. The instant disclosure further relates to a fiber porous media that includes multiple density portions. The disclosed media is a single piece, such that the different density portions are not separable. The disclosed media provides improved liquid delivery properties for a specific liquid delivery device.
The present invention provides infusion devices, such as intravascular (IV) devices, comprising a hydrophilic sintered porous plastic filter or a hydrophilic porous fiber filter which are effective at stopping or greatly reducing transmission of air through the filter.
The present application provides sintered porous elastomeric liquid applicators with or without flocking fibers that provide improved liquid and gel delivery properties and a comfortable experience for the user of the applicators when applying liquid to a surface, such as skin.
A45D 34/04 - Appliances specially adapted for applying liquid, e.g. using roller or ball
B65D 47/42 - Closures with filling and discharging, or with discharging, devices with pads or like contents-applying means
C08J 9/24 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Synthetic polymers in a wide variety of shapes for use in further manufacture, namely, polytetrafluoroethylene in the form of pellets, rolls, sheets, discs, cones, rods, rotary cut parts, and other molded or formed shapes for use in further manufacture
This invention relates to compositions comprising sintered porous media comprising dye particles in combination with plastic particles or elastomeric particles. These compositions are useful in detecting oil or organic solvents in air or water by changing color when the oil or organic solvent contacts the sintered porous media and dissolves the dye particles.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
The present application provides devices and methods of making and using these devices. The devices comprise a sintered porous polymeric material, a porous membrane attached to at least a portion of the sintered porous polymeric material, and optionally a housing which surrounds at least a portion of the sintered porous polymeric material. The devices can be used for sample collection, purification and transfer.
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
B32B 3/20 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by an internal layer formed of separate pieces of material of hollow pieces, e.g. tubesLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by an internal layer formed of separate pieces of material of pieces with channels or cavities
C02F 1/00 - Treatment of water, waste water, or sewage
C40B 50/04 - Methods of creating libraries, e.g. combinatorial synthesis using dynamic combinatorial chemistry techniques
C40B 50/08 - Liquid phase synthesis, i.e. wherein all library building blocks are in liquid phase or in solution during library creationParticular methods of cleavage from the liquid support
The present application provides a porous sintered multicomponent applicator nib and methods of making and using these nibs. The porous nibs are made from sintered plastic particles. These nibs are used with liquid applicators devices, medical devices, writing tools or cosmetic applicators to apply liquids containing high solids or pigments to surfaces such as metal, paper, skin, hair, tissue or a wound. In a first embodiment, the nib comprises a shank (12), a nub (14) and a head (16), wherein the shank contacts a first end of the nub and the head contacts a second end of the nub, and wherein the average pore size of the shank is greater than the average pore size of the nub, and the average pore size of the nub is greater than the average pore size of the head. In a second embodiment, the nib comprises a shank (12) and a head (66), wherein the shank has a first end to contact liquid in a reservoir and a second end to contact the head, the head having a body (63) and a tip (64), and wherein the average pore size of the first end of the shank is greater than the average pore size of the second end of the shank, and the average pore size of the head body is greater than the average pore size of the head tip.
A45D 34/04 - Appliances specially adapted for applying liquid, e.g. using roller or ball
A61B 17/00 - Surgical instruments, devices or methods
A61M 35/00 - Devices for applying media, e.g. remedies, on the human body
B05C 17/00 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
C08J 9/24 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
A porous sintered multicomponent applicator nib and methods of making and using these nibs. The porous nibs are made from sintered plastic particles. These nibs are used with liquid applicators devices, medical devices, writing tools or cosmetic applicators to apply liquids containing high solids or pigments to surfaces such as metal, paper, skin, hair, tissue or a wound.
B43K 5/00 - Pens with ink reservoirs in holders, e.g. fountain-pens
B05C 1/02 - Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
A45D 34/04 - Appliances specially adapted for applying liquid, e.g. using roller or ball
A61B 17/00 - Surgical instruments, devices or methods
A61K 8/02 - Cosmetics or similar toiletry preparations characterised by special physical form
A61K 9/00 - Medicinal preparations characterised by special physical form
A61L 26/00 - Chemical aspects of, or use of materials for, liquid bandages
A61F 13/40 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators having means integral therewith for supplying media to the absorbent material, e.g. contained in a rupturable reservoir
A61Q 1/04 - Preparations containing skin colorants, e.g. pigments for lips
A61Q 1/10 - Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
B05D 1/28 - Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
A61M 35/00 - Devices for applying media, e.g. remedies, on the human body
B05C 17/00 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
B43K 8/06 - Wick feed from within reservoir to writing-points
C08J 9/24 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Porous polymeric elastomer and porous plastic in the form of
sheets, rods, disks, tubes, and other molded or formed
shapes for use in further manufacture; finished and
semi-finished porous polymeric elastomer and porous plastic
used in filtering, venting, wicking, diffusing, media
support, and thermal management of gases, liquids, and
solids.
46.
MULTI-SECTION POROUS LIQUID FILTER WITH NON-MECHANICAL GAS VENT
Embodiments of the present invention provide filters and method for their use that introduce two sections, one filtration section and one venting section, in a single filter. The filtration section allows water to penetrate, and the venting section does not allow water to penetrate, but does allow air to penetrate. Because the venting section does not allow water to penetrate, the air will not need to overcome the bubble point pressure to move through the venting section. The venting section also provides a low pressure air pathway for the air but not water.
The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
G01N 1/10 - Devices for withdrawing samples in the liquid or fluent state
G01N 33/52 - Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
H01J 49/00 - Particle spectrometers or separator tubes
H01J 49/04 - Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locksArrangements for external adjustment of electron- or ion-optical components
48.
MEMBRANE-COATED SINTERED POROUS MEDIA FOR SAMPLE COLLECTION
The present application provides devices and methods of making and using these devices. The devices comprise a sintered porous polymeric material, a porous membrane attached to at least a portion of the sintered porous polymeric material, and optionally a housing which surrounds at least a portion of the sintered porous polymeric material. The devices can be used for sample collection, purification and transfer.
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Porous polymeric elastomer and porous plastic in the form of sheets, rods, disks, tubes, and other molded or formed shapes for use in further manufacture; finished and semi-finished porous polymeric elastomer and porous plastic used in filtering, venting, wicking, diffusing, media support, and thermal management of gases, liquids, and solids
Embodiments of the present disclosure relate generally to porous devices that are useful for various cleaning purposes or other uses. The devices may be formed with, impregnated with, pre-wetted with, or otherwise associated with one or more agents, such as a dental treatment agent, a nail treatment agent, a disinfectant, a lubricant, or any other cleaning agent. The devices may find particular use for cleaning somewhat delicate areas, such as gum tissues, nail cuticle beds, electronic devices, or any other uses that benefit from a self-supporting structure that can withstand pressure but that also benefit from a resilient treatment surface.
The present invention provides sintered porous plastic plugs for use in filtered serological pipettes which facilitate manufacture or assembly of the filtered serological pipettes. In one embodiment, a sintered porous plastic plug of the present invention comprises plastic and a cylindrical body, a first end and a second end, the first end having a cross-sectional area less than the cross-sectional area of the cylindrical body, and the second end having a cross-sectional area less than the cross-sectional area of the cylindrical body.
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
The described embodiments generally provide a shankless nib with a built-in feature that interlocks the nib with a fluid delivery system. The fluid delivery system may be a writing or stamping instrument, a medicinal or antiseptic delivery system, a cosmetic delivery system, a cleaning fluid delivery system, or any other appropriate system.
The present invention provides a porous non mechanical valve which retards or prevents the passage of bodily fluids and is resistant to being occluded or blocked by exposure to the surgical fumes or aerosols encountered during surgical procedures.
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
A61M 5/165 - Filtering accessories, e.g. blood filters, filters for infusion liquids
A61M 39/20 - Closure caps or plugs for connectors or open ends of tubes
55.
Liquid sampling, storage, transfer and delivery device
The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.
This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.
B01D 15/20 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the sorbent material
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
C08J 9/24 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
The present application provides a device and methods of making and using these devices. The devices comprise porous caps and porous vents made from sintered porous polymeric media comprising plastic particles, elastomeric particles or a combination thereof. These devices are used with medical devices or components thereof to provide ease of use, resistance to infection, sterilization and venting.
A61M 5/32 - NeedlesDetails of needles pertaining to their connection with syringe or hubAccessories for bringing the needle into, or holding the needle on, the bodyDevices for protection of needles
A61M 5/14 - Infusion devices, e.g. infusing by gravityBlood infusionAccessories therefor
A61M 39/00 - Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
58.
SINTERED POROUS POLYMERIC CAPS AND VENTS FOR COMPONENTS OF MEDICAL DEVICES
The present application provides a device and methods of making and using these devices. The devices comprise porous caps and porous vents made from sintered porous polymeric media comprising plastic particles, elastomeric particles or a combination thereof. These devices are used with medical devices or components thereof to provide ease of use, resistance to infection, sterilization and venting.
A61M 5/14 - Infusion devices, e.g. infusing by gravityBlood infusionAccessories therefor
A61M 5/32 - NeedlesDetails of needles pertaining to their connection with syringe or hubAccessories for bringing the needle into, or holding the needle on, the bodyDevices for protection of needles
A61M 39/20 - Closure caps or plugs for connectors or open ends of tubes
A61M 39/00 - Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
A61M 25/06 - Body-piercing guide needles or the like
Filters for collecting, containing, and transferring fluid buffers, serum, plasma, urine, stool, blood, saliva, and other bodily fluids and tissues for use in medical diagnostic testing; specimen and sample containment devices for medical diagnostic uses
60.
Liquid sampling, storage, transfer and delivery device
The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.
The present invention provides sintered porous plastic plugs for use in filtered serological pipettes which facilitate manufacture or assembly of the filtered serological pipettes. In one embodiment, a sintered porous plastic plug of the present invention comprises plastic and a cylindrical body, a first end and a second end, the first end having a cross-sectional area less than the cross-sectional area of the cylindrical body, and the second end having a cross-sectional area less than the cross-sectional area of the cylindrical body.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Fuel filters; filter elements for fuel filters; oil filters for end use and use in further manufacture; air filters for power tools, motors, and pneumatic, electric compressed air, and hydraulic pumps; air filters for pneumatic equipment; air filters for mechanical purposes; water diffusers used in machines for wastewater treatment and clean water treatment Laboratory filters Filters for blood and blood components; filters for medical purposes, namely, for use in inhalers and nebulizers, pipette tips, well plates and spin columns, centrifuge columns, suction and dialysis system media; vents for medical needles and medical containers for medical waste, blood, and bodily fluids Water filters for end use and use in further manufacture; industrial filters for water byproducts of manufacturing processes; filters for use in swimming pools, spas, and water treatment systems; disinfectant diffusers for toilets; filters for gases and fluids for use in dentistry equipment; air filters for domestic use; air filters for industrial installations; air diffusers for emitting fragrance; filters for air and gas conditioning
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Filters for use in medical instruments and apparatus. Water, air, gas, liquid, and industrial fluid filters, vents, and diffusers for end use and use in further manufacture. Finished and semi-finished polymeric porous components and materials for use in filtering, venting, wicking, and diffusing of gases, liquids and solids.
64.
HYDROPHOBIC POROUS NON MECHANICAL VALVE FOR MEDICAL SUCTION DEVICE
The present invention provides a porous non mechanical valve which retards or prevents the passage of bodily fluids and is resistant to being occluded or blocked by exposure to the surgical fumes or aerosols encountered during surgical procedures.
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
The present invention relates to compositions comprising a thermally conductive porous media, optionally linked to a heat spreading interfacial material. These compositions provide heat dissipation from a heat source. These compositions can be used in a variety of applications including effective removal of heat from electronic and other enclosed devices.
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
C08J 9/24 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
F21V 29/00 - Protecting lighting devices from thermal damageCooling or heating arrangements specially adapted for lighting devices or systems
66.
CONDUCTIVE COMPOSITE WICK AND METHOD OF MAKING AND USING THE SAME
This invention relates to a conductive composite wick comprising a porous wicking element coupled a conductive element for releasing vaporizable materials from devices such as an air freshener device or insect control system.
This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.
C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
B01J 20/30 - Processes for preparing, regenerating or reactivating
C08J 9/24 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
68.
SINTERED POROUS PLASTIC LIQUID BARRIER MEDIA AND APPLICATIONS THEREOF
This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.
C08L 27/16 - Homopolymers or copolymers of vinylidene fluoride
C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
C08J 9/24 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
70.
CARDS FOR SAMPLE STORAGE AND DELIVERY COMPRISING SINTERED POROUS PLASTIC
This application discloses cards comprising sintered porous plastic which may be employed in liquid sample collection, storage, transport and/or delivery to an analytical device. Sintered porous plastic materials provide a unique porous structure, an inert substrate, precise liquid holding capability, are quick drying, and easy to cut and handle.
G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
The present invention relates to an adapter containing a filter that can be used with pipetting devices, particularly robotic pipetting devices, to efficiently connect the pipetting device to pipette tips with minimal distortion of the pipette tip. The present invention also relates to a process and a system of using an adapter containing a filter that can be used with pipetting devices, particularly robotic pipetting devices, to assemble the adapter together with an unfiltered pipette tip on the site of application. The adapter and pipette tip are each stackable for saving space at the work station.
The present invention provides ground porous sintered polymeric materials that can demonstrate resistance to degradative effects such as surface smearing and pore occlusion imparted by grinding processes. Ground porous sintered polymeric materials can demonstrate any shape including spheres.
This invention provides a hydrophilic porous fiber wick for delivering vaporizable material into the atmosphere, such as a room environment. The wick may be biodegradable. The wick is comprised of a sintered synthetic bicomponent fibers, optionally combined with synthetic monocomponent fibers or natural monocomponent fibers. The wick is optionally treated with plasma or finishing agents for improved hydrophilicity. The wick can wick aqueous and/or non-aqueous-based fragrances or other vaporizable materials and evaporate them into the air without the use of heat, convection air, or atomization.
D01F 8/04 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers
F23D 3/08 - Wick burners characterised by shape, construction, or material, of wick
A61L 9/04 - Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
Caps having porous elements that act as a vent to facilitate cooling of hot fluids stored in containers. Certain embodiments comprise a cap that may be affixed to a container filled with a hot fluid. The cap may include a porous element that allows air to enter the container during the cooling process, but also prevents the introduction of microbes and bacteria into the container. The cap may include a through hole, chamber, or recessed area to receive and secure the porous element. In certain embodiments the porous element may comprise a sintered composite material with thermoplastic particles and either metal particles and/or metal powder. In other embodiments, the porous element may comprise a layered structure. The layers may include a combination of the sintered composite material, a metallic layer, or various porous layers.
The present invention provides a sintered porous composite polymeric material and a method of making and using the same. The sintered composite polymeric material is made by sintering composite particles comprising a polytetrafluoroethylene component and a carbonaceous component, wherein the carbonaceous component is dispersed throughout the polytetrafluoroethylene component.
The present invention provides wicks for use in vapor dispensing devices which can facilitate manufacture or assembly of the vapor dispensing devices. In one embodiment, a wick of the present invention comprises a porous body, a first end and a second end, the first end having a cross-sectional area less than the cross-sectional area of the body, and the second end having a cross-sectional area less than the cross-sectional area of the body.
A01M 1/20 - Poisoning, narcotising, or burning insects
B05B 17/06 - Apparatus for spraying or atomising liquids or other fluent materials, not covered by any other group of this subclass operating with special methods using ultrasonic vibrations
79.
ORIENTED MOLDED ARTICLES AND METHODS OF MAKING AND USING THE SAME
The present invention provides compositions and methods addressing the problems and disadvantages associated with orienting articles prior to disposition in a housing. Compositions and methods of the present invention, in some embodiments, can provide articles with the proper orientation for disposition in a housing without the encumbrances associated with hand assembly, such as increased production time and increased potential for contamination. As a result, manufacturers and users of products comprising polymeric articles disposed in housings are no longer restricted to the use of articles having isotropic shapes and homogeneous properties.
The present invention provides selectively laser sintered porous polymeric articles and methods of making and using the same. In one embodiment, a method of the present invention comprises providing a first layer of particles of a first polymeric material, heating selected locations of the first layer to sinter particles of the first polymeric material to form a three-dimensional article, the three-dimensional article having a porosity of at least about 30 percent.
The present invention provides inexpensive pipettes and related structures offering high precision while minimizing the effects of operator error and chances of cross-contamination. In one embodiment, a pipette comprises a suction apparatus and a hollow body comprising a sample collection chamber, the sample collection chamber open at a first end and closed by a porous barrier material intermediate to or at a second end opposite the first end, wherein the suction apparatus is coupled to the hollow body.
The present invention provides sintered polymeric materials and methods of making the same which are useful in a variety of applications. In one embodiment, the present invention provides a sintered polymeric material comprising at least one plastic and at least one elastomer.
B01D 71/00 - Semi-permeable membranes for separation processes or apparatus characterised by the materialManufacturing processes specially adapted therefor
B01D 71/42 - Polymers of nitriles, e.g. polyacrylonitrile
B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
83.
POROUS BARRIER MEDIA COMPRISING COLOR CHANGE INDICATORS
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using chemical indicators
B01D 39/00 - Filtering material for liquid or gaseous fluids
84.
Porous barrier media comprising color change indicators
The present invention provides sintered polymeric materials and methods of making the same which are useful in a variety of applications. In one embodiment, the present invention provides a sintered polymeric material comprising at least one plastic and at least one elastomer.
Various embodiments of devices and methods for indicating the level or amount of a vaporizable material in a dispenser, such as an air freshener device or insect control system, are disclosed. An embodiment of a dispenser (20) includes a housing (22) with a reservoir (32) and wick (38) that may be removably coupled to the housing (22). A circuit within the dispenser measures a property in the wick, such as an electrical property, or a level of vaporizable material in the reservoir and triggers an indicator (50) that provides a visual or audible signal to the user advising that the reservoir is low or empty.
The present invention provides porous composite materials and methods of making and using the same. In one embodiment, a porous composite material comprises a porous substrate comprising a first polymeric material and at least one particle or fiber of a second polymeric material and a third polymeric material disposed on at least one surface of the porous substrate and having at least one point of attachment the to the at least one particle or fiber of the second polymeric material.
09 - Scientific and electric apparatus and instruments
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Clinical laboratory and diagnostic apparatus, namely, blood serum filters, blood and sample tube enclosures, in-line filters, sample pipettes equipped with a filter and immunoassay apparatus. Porous plastics in the form of sheets, rods, tubes and other molded or formed shapes for use in further manufacture of healthcare, bioscience, electronics, automotive, packaging, consumer and industrial products.
