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1.
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ACCUPATH
| Serial Number |
98523106 |
| Status |
Pending |
| Filing Date |
2024-04-28 |
| Owner |
Pathogen Systems, Inc., DBA Crystal Diagnostics Ltd. ()
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| NICE Classes ? |
09 - Scientific and electric apparatus and instruments
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Goods & Services
Portable detection and identification instruments using light sources and light detectors for detecting and identifying chemical and biological substances not for medical purposes, namely, liquid crystal display analyzers for measuring, testing and detecting contaminants, environmental pollutants, and pathogenic agents in liquids and foods, water testing instrumentation for monitoring and testing contamination
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2.
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ACCUPATH MAX
| Serial Number |
98523111 |
| Status |
Pending |
| Filing Date |
2024-04-28 |
| Owner |
Pathogen Systems, Inc., DBA Crystal Diagnostics Ltd. ()
|
| NICE Classes ? |
09 - Scientific and electric apparatus and instruments
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Goods & Services
Portable detection and identification instruments using light sources and light detectors for detecting and identifying chemical and biological substances not for medical purposes, namely, liquid crystal display analyzers for measuring, testing and detecting contaminants, environmental pollutants, and pathogenic agents in liquids and foods, water testing instrumentation for monitoring and testing contamination
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3.
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CRYSTAL DIAGNOSTICS
| Serial Number |
97397502 |
| Status |
Registered |
| Filing Date |
2022-05-05 |
| Registration Date |
2023-06-20 |
| Owner |
Pathogen System, Inc., DBA Crystal Diagnostics Ltd ()
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| NICE Classes ? |
09 - Scientific and electric apparatus and instruments
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Goods & Services
Portable detection and identification instruments using light sources and light detectors for detecting and identifying chemical and biological substances not for medical purposes, namely, liquid crystal display analyzers for measuring, testing and detecting contaminants, environmental pollutants, and pathogenic agents in liquids and foods, water testing instrumentation for monitoring and testing contamination
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4.
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SYSTEM AND METHOD FOR DETECTING PATHOGENS ON TREATED AND UNTREATED SUBSTRATES USING LIQUID CRYSTAL CHROMONIC AZO DYE
| Application Number |
16834474 |
| Status |
Pending |
| Filing Date |
2020-03-30 |
| First Publication Date |
2020-07-16 |
| Owner |
Pathogen Systems, Inc. dba Crystal Diagnostics Ltd (USA)
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| Inventor |
Tortora, Luana
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Abstract
Chromonic azo dyes are particular types of chromonic molecules that are alignable homeotropically (aggregated molecules stacked perpendicularly to the surface) on different types of substrates, often without the need of any special surface treatment. This feature enables the optimization of a detection device with increased sensitivity based of the alignment distortion created by a biological immune complex.
IPC Classes ?
- G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals
- G01N 21/77 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N 21/23 - Bi-refringence
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5.
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System and method for pathogen detection using multiple-sized polymer-coated beads within lyotropic chromonic liquid crystals
| Application Number |
16655027 |
| Grant Number |
11598770 |
| Status |
In Force |
| Filing Date |
2019-10-16 |
| First Publication Date |
2020-02-13 |
| Grant Date |
2023-03-07 |
| Owner |
Pathogen Systems, Inc. (USA)
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| Inventor |
Tortora, Luana
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Abstract
A novel detection system and method is presented, where a two-bead receptor method is used for capturing pathogens, with one type of bead being magnetic and having a size of 3 microns or smaller, and the other type being polymeric and having a size of 3 microns or larger. The first type is used to concentrate a pathogen; the latter is used to create a detectable signal. Fast sensitive detection is achieved by collecting the optical signal created by the distortion of a homeotropically aligned chromonic azo dye in the presence of captured pathogens.
IPC Classes ?
- G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals
- G01N 33/569 - ImmunoassayBiospecific binding assayMaterials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N 21/21 - Polarisation-affecting properties
- G01N 21/59 - Transmissivity
- G01N 21/03 - Cuvette constructions
- G01N 21/23 - Bi-refringence
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6.
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AUTOXPRESS
| Serial Number |
87930194 |
| Status |
Registered |
| Filing Date |
2018-05-21 |
| Registration Date |
2021-09-14 |
| Owner |
Pathogen Systems, Inc., DBA Crystal Diagnostics Ltd ()
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| NICE Classes ? |
09 - Scientific and electric apparatus and instruments
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Goods & Services
Portable detection and identification instruments using light sources and light detectors for detecting and identifying chemical and biological substances not for medical purposes, namely, liquid crystal display analyzers for measuring, testing and detecting contaminants, environmental pollutants and pathogenic agents in liquids and foods; water testing instrumentation for monitoring and detecting contamination
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7.
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System and method for pathogen detection using multiple-sized polymer-coated beads within lyotropic chromonic liquid crystals
| Application Number |
15487291 |
| Grant Number |
10495636 |
| Status |
In Force |
| Filing Date |
2017-04-13 |
| First Publication Date |
2017-10-19 |
| Grant Date |
2019-12-03 |
| Owner |
Pathogen Systems, Inc. (USA)
|
| Inventor |
Tortora, Luana
|
Abstract
A novel detection system and method is presented, where a two-bead receptor method is used for capturing pathogens, with one type of bead being magnetic and having a size of 3 microns or smaller, and the other type being polymeric and having a size of 3 microns or larger. The first type is used to concentrate a pathogen; the latter is used to create a detectable signal. Fast sensitive detection is achieved by collecting the optical signal created by the distortion of a homeotropically aligned chromonic azo dye in the presence of captured pathogens.
IPC Classes ?
- G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals
- G01N 33/569 - ImmunoassayBiospecific binding assayMaterials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N 21/21 - Polarisation-affecting properties
- G01N 21/59 - Transmissivity
- G01N 21/03 - Cuvette constructions
- G01N 21/23 - Bi-refringence
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8.
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System and method for detecting pathogens on treated and untreated substrates using liquid crystal chromonic AZO dye
| Application Number |
14941351 |
| Grant Number |
10656148 |
| Status |
In Force |
| Filing Date |
2015-11-13 |
| First Publication Date |
2016-05-19 |
| Grant Date |
2020-05-19 |
| Owner |
Pathogen Systems, Inc. (USA)
|
| Inventor |
Tortora, Luana
|
Abstract
Chromonic azo dyes are particular types of chromonic molecules that are alignable homeotropically (aggregated molecules stack perpendicularly to the surface) on different types of substrates, often without the need of any special surface treatment. This feature enables the optimization of a detection device with increased sensitivity based of the alignment distortion created by a biological immune complex.
IPC Classes ?
- G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals
- G01N 21/77 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N 21/23 - Bi-refringence
- C12Q 1/04 - Determining presence or kind of microorganismUse of selective media for testing antibiotics or bacteriocidesCompositions containing a chemical indicator therefor
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9.
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METHOD FOR ALIGNING LIQUID CRYSTALS
| Application Number |
US2008056908 |
| Publication Number |
2008/115765 |
| Status |
In Force |
| Filing Date |
2008-03-13 |
| Publication Date |
2008-09-25 |
| Owner |
PATHOGEN SYSTEMS, INC. (USA)
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| Inventor |
Hill, Jeffery C.
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Abstract
A method of aligning liquid crystals in a cell includes the steps of optimizing the concentration of the liquid crystal in a carrier medium, transforming the liquid crystal into its isotropic phase; heating the cell to a temperature which is slightly lower than the temperature of the liquid crystal, filling the cell with the liquid crystal, rapidly cooling the filled cell to transform the liquid crystal into the nematic phase and rewarming the cell to a temperature approximately at the phase line separating the nematic phase from the mixed nematic nematic-isotropic phase. An improved alignment surface for forming the cell comprises an uncoated, rubbed surface to drive uniform alignment of the liquid crystals.
IPC Classes ?
- G02F 1/1337 - Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F 1/1341 - Filling or closing of cells
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