According to embodiments of the present application, a carbon dioxide sensing color changeable dye can comprise a carbon dioxide status indicator, a solvent, a polymer wherein the carbon dioxide status indicator is dispersed, an optional plasticizer, and an optional agent to facilitate mixing. The color changeable dye is a first color in the presence of a carbon dioxide rich environment and is capable of changing to a second color upon exposure to atmospheric condition for a period of time corresponding to the intended use time of a restricted, disposable or limited use product. Methods of making and using the color changeable dye and apparatuses incorporating such dye are also disclosed.
A61B 17/3211 - Scalpels chirurgicaux ou bistouris; Leurs accessoires
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
G01N 33/52 - Utilisation de composés ou de compositions pour des recherches colorimétriques, spectrophotométriques ou fluorométriques, p.ex. utilisation de bandes de papier indicateur
The invention provides a colour change composition containing an electron donating organic colouring compound, an electron accepting compound and a compound of formula (I): wherein E is an ester linkage O—CO or —CO2, R is independently selected from an optionally substituted linear or branched alkyl group, alkenyl cycloalkyl group, alkenyl group, alkoxy group, aryl and alkylene aryl group having from 6 to 22 carbon atoms; Y1 Y2 X1 and X2 are independently selected from hydrogen, R′, —OR′ and halogen; wherein R′ is independently selected from an optionally substituted linear or branched alkyl group, alkenyl group, alkoxy group, aryl group and an alkylene aryl group; having from 5 to 22 carbon atoms; r and p each represent and integer from 0 to 3. The compound of formula (I) and compositions of the invention are useful in providing a colour change effect, in memory compositions and visual indicators, particularly in security and healthcare applications.
The invention provides a colour change composition containing an electron donating organic colouring compound, an electron accepting compound and a compound of formula (I): wherein E is an ester linkage O—CO or —CO2, R is independently selected from an optionally substituted linear or branched alkyl group, alkenyl cycloalkyl group, alkenyl group, alkoxy group, aryl and alkylene aryl group having from 6 to 22 carbon atoms; Y1 Y2 X1 and X2 are independently selected from hydrogen, R′, —OR′ and halogen; wherein R′ is independently selected from an optionally substituted linear or branched alkyl group, alkenyl group, alkoxy group, aryl group and an alkylene aryl group; having from 5 to 22 carbon atoms; r and p each represent and integer from 0 to 3. The compound of formula (I) and compositions of the invention are useful in providing a colour change effect, in memory compositions and visual indicators, particularly in security and healthcare applications.
G01K 11/16 - Mesure de la température basée sur les variations physiques ou chimiques, n'entrant pas dans les groupes , , ou utilisant le changement de couleur, de translucidité ou de réflectance de matériaux organiques
A temperature-indicator product comprising a visual indicator comprising a thermochromic colour-memory composition and comprising an electron-donating colouring organic compound (A), an electron-accepting colouring organic compound (B) and reaction medium compound (C). The visual indicator comprises a first portion comprising a first thermochromic colour-change composition in its lower temperature state and a second portion comprising a second thermochromic colour-change composition in its higher temperature state. The product is useful as a tamper-evident indicator or as a freeze indicator.
G01N 21/78 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique produisant un changement de couleur
1211 and X2 are independently selected from hydrogen, R', -OR' and halogen; wherein R' is independently selected from an optionally substituted linear or branched alkyl group, alkenyl group, alkoxy group, aryl group and an alkylene aryl group; having from 5 to 22 carbon atoms; r and p each represent and integer from 0 to 3. The compound of formula (I) and compositions of the invention are useful in providing a colour change effect, in memory compositions and visual indicators, particularly in security and healthcare applications.
The invention provides a colour change composition containing an electron donating organic colouring compound, an electron accepting compound and a compound of formula (I): wherein E is an ester linkage O-CO or -CO2, R is independently selected from an optionally substituted linear or branched alkyl group, alkenyl cycloalkyl group, alkenyl group, alkoxy group, aryl and alkylene aryl group having from 6 to 22 carbon atoms; Y1 Y2 X1 and X2 are independently selected from hydrogen, R', -OR' and halogen; wherein R' is independently selected from an optionally substituted linear or branched alkyl group, alkenyl group, alkoxy group, aryl group and an alkylene aryl group; having from 5 to 22 carbon atoms; r and p each represent and integer from 0 to 3. The compound of formula (I) and compositions of the invention are useful in providing a colour change effect, in memory compositions and visual indicators, particularly in security and healthcare applications.
The present technology includes a color changeable indicator that changes color upon exposure of the indicator to high pressure and comprises at least one reagent releasing layer, a transition layer disposed on the reagent releasing layer, a color changeable layer disposed on the transition layer, and a non-porous protectant encompassing the reagent releasing layer, the transition layer and the color changeable layer. An additional reagent releasing layer can be located between the transition layer and the color changeable layer. The indicators provide simple, reliable, and cost effective detection means for detecting whether a product has been exposed to high pressure, e.g. high pressure pasteurization, and may find use in applications such as food and beverage processing and/or packaging and medical applications.
G01N 21/78 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique produisant un changement de couleur
A61L 2/28 - Dispositifs pour tester l'efficacité ou l'intégralité de la stérilisation, p.ex. indicateurs qui changent de couleur
Synthetic plastics material pigment concentrates; Synthetic plastics material pigment in granular form; Printing inks; Offset printing inks; Screen printing inks; Thermochromic printing inks; Inks for printing; Inks for use in printing; Dyes, colorants, pigments and inks; Pigments for use in the manufacture of printing inks.
8.
Color changeable adhesives and methods of making such adhesives
Color changeable materials can be incorporated into adhesive materials while maintaining the efficacy and stability of the indicator. The indicators provide simple, reliable, and cost effective detection means for detecting ammonia and carbon dioxide, and may find use in applications such as food packaging and medical applications.
Color changeable indicator particles having a meltable, particulate organic core, and at least one color changeable indicator coated on the particulate organic core. Color changeable indicator particles can be incorporated into composite polymer materials while maintaining the efficacy and stability of the indicator. The indicators provide simple, reliable, and cost effective detection means for detecting ammonia and carbon dioxide, and may find use in applications such as food packaging and medical applications.
C08J 3/02 - Production de solutions, dispersions, latex ou gel par d'autres procédés que ceux utilisant les techniques de polymérisation en solution, en émulsion ou en suspension
C08L 33/12 - Homopolymères ou copolymères du méthacrylate de méthyle
B29C 47/00 - Moulage par extrusion, c. à d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désirée; Appareils à cet effet (moulage par extrusion-soufflage B29C 49/04)
A temperature-indicator product comprising a visual indicator comprising a thermochromic colour-memory composition and comprising an electron-donating colouring organic compound (A), an electron-accepting colouring organic compound (B) and reaction medium compound (C). The visual indicator comprises a first portion comprising a first thermochromic colour-change composition in its lower temperature state and a second portion comprising a second thermochromic colour-change composition in its higher temperature state. The product is useful as a tamper-evident indicator or as a freeze indicator.
G01N 21/78 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique produisant un changement de couleur
C09D 1/00 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, à base de substances inorganiques
C09D 4/00 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
C09D 5/00 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produits; Apprêts en pâte
2 are independently in the ortho or meta position. The compounds are useful in ink compositions, writing implements containing the compound and medical and industrial applications in which temperature sensitive colour change may be required.
G01N 21/78 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique produisant un changement de couleur
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
temperature indicator strips featuring quick response (QR) codes; temperature indicator strips made from plastic featuring quick response (QR) codes; temperature indicator labels not for medical purposes featuring quick response (QR) codes. providing a web site allowing users to upload images of temperature indicator labels using a quick response (QR) code; providing a web site allowing users to upload time-stamped temperature data using a quick response (QR) code; electronic storage of temperature data from activated temperature indicator labels uploaded using quick response (QR) codes.
According to embodiments of the present application, a color change sensor comprises a color change indicator and a substrate comprising a gas disposed on the color change indicator. The sensor may further comprise an interface layer that assists in containing the gas within the substrate. The sensor may be used with limited use, restricted use, or disposable apparatuses. The user may actuate the sensor by disrupting or removing the gas-containing substrate and/or the interface layer. Methods of making and using the color change sensor and related apparatuses are also disclosed.
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
An apparatus, method and kit includes one or more use protocol indicators having a color changeable dye, the dye being translucent or having a first color upon immediate exposure to an environment and for a defined time thereafter and the dye changing color after exposure to the environment for the defined time. A dual environment indicator includes a first indicator color changeable dye being translucent or having a first color upon immediate exposure to a first environment and changing color after exposure to a second environment and a second indicator color changeable dye being translucent or having a first color upon immediate exposure to the second environment and for a defined time thereafter and changing color after exposure to the second environment for the defined time. A time exposure indicator comprises at least one color changeable dye disposed to change color in a sequential manner.
G01N 21/78 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique produisant un changement de couleur
A61B 17/3211 - Scalpels chirurgicaux ou bistouris; Leurs accessoires
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
A temperature-indicator product comprising a visual indicator comprising a thermochromic colour-memory composition and comprising an electron-donating colouring organic compound (A), an electron-accepting colouring organic compound (B) and reaction medium compound (C). The visual indicator comprises a first portion comprising a first thermochromic colour-change composition in its lower temperature state and a second portion comprising a second thermochromic colour-change composition in its higher temperature state. The product is useful as a tamper-evident indicator or as a freeze indicator.
Novel reaction media for electron donating and electron accepting components in colour- change compositions are described. The compound is of formula (I): wherein R1, and R2 are selected from a linear or branched alkyl group, alkenyl group, alkoxy group, aryl group and an alkylene aryl group having from 6 to 22 carbon atoms; X1 and X2 are selected from -OC(O)-, -CO2- and O; R3, R4 and R5 are selected from hydrogen and an linear or branched alkyl group, cycloalkyl group, alkenyl group, alkoxy group, aryl and alkylene aryl group; R6 is selected from hydrogen, R3, -Χ1R1 and aryl and halogen; Y1 Y2 Y3 and Y4 are selected from hydrogen, R3, -OR3 and halogen; a is 0 to 4; b is 0 or 1; x and y are independently is 0 or 1 provided that where x and y are 0, a is 0 and b is 1 and R6 is -C02R1; and wherein when a is 0 and b is 1 and R5 or R6 is phenyl, R6 and R5 respectively are not hydrogen or C1-7 alkyl. The compounds are useful in ink compositions, writing implements containing the compound and medical and industrial applications in which temperature sensitive colour change may be required.
Novel reaction media for electron donating and electron accepting components in colour-change compositions are described. The compound is of formula (VI); R1, and R2 are independently selected from an optionally substituted linear or branched alkyl group, alkenyl group, alkoxy group, aryl group and an alkylene aryl group having from 5 to 22 carbon atoms; X1 and X2 are independently selected from -OC(O)-, -CO2- and O; Y1, and Y2 are independently selected from hydrogen, halogen, R1, -OR1; y is independently 0 or 1; and suitably the groups R1X1- and -X2 R2 are independently in the ortho or meta position. The compounds are useful in ink compositions, writing implements containing the compound and medical and industrial applications in which temperature sensitive colour change may be required.
A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used.
A61B 17/3211 - Scalpels chirurgicaux ou bistouris; Leurs accessoires
G02C 7/10 - Filtres, p.ex. pour faciliter l'adaptation des yeux à l'obscurité; Lunettes de soleil
A61B 90/92 - Moyens d’identification pour les patients ou les instruments, p.ex. étiquettes utilisant des codes de couleurs
A61B 3/16 - Appareils pour l'examen optique des yeux; Appareils pour l'examen clinique des yeux du type à mesure objective, c. à d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour mesurer la pression intraoculaire, p.ex. tonomètres
A61M 5/50 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour empêcher la réutilisation ou pour indiquer si le dispositif est défectueux, usagé, non stérile ou si l'on a tenté de l'utiliser
A61M 5/00 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
20.
Carbon dioxide sensing color changeable dyes for indicating exposure, methods of making and using such dyes, and apparatuses incorporating such dye
According to embodiments of the present application, a carbon dioxide sensing color changeable dye can comprise a carbon dioxide status indicator, a solvent, a polymer wherein the carbon dioxide status indicator is dispersed, an optional plasticizer, and an optional agent to facilitate mixing. The color changeable dye is a first color in the presence of a carbon dioxide rich environment and is capable of changing to a second color upon exposure to atmospheric condition for a period of time corresponding to the intended use time of a restricted, disposable or limited use product. Methods of making and using the color changeable dye and apparatuses incorporating such dye are also disclosed.
G01N 33/52 - Utilisation de composés ou de compositions pour des recherches colorimétriques, spectrophotométriques ou fluorométriques, p.ex. utilisation de bandes de papier indicateur
A61B 17/3211 - Scalpels chirurgicaux ou bistouris; Leurs accessoires
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
An apparatus with time controlled color change indication comprises an apparatus includes a disposable, limited or restricted use product and an oxygen sensing color changeable dye disposed on a portion of the apparatus, the dye being translucent or having a first color upon application and for a defined time thereafter and the dye changing color after exposure to oxygen for the defined time. For example, a packaging for containing a product for human consumption has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the product for human consumption should no longer be consume or has decreased in freshness, quality of taste or potency.
A61B 17/3211 - Scalpels chirurgicaux ou bistouris; Leurs accessoires
A61M 5/50 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour empêcher la réutilisation ou pour indiquer si le dispositif est défectueux, usagé, non stérile ou si l'on a tenté de l'utiliser
G02C 7/10 - Filtres, p.ex. pour faciliter l'adaptation des yeux à l'obscurité; Lunettes de soleil
A61B 90/92 - Moyens d’identification pour les patients ou les instruments, p.ex. étiquettes utilisant des codes de couleurs
A61B 3/16 - Appareils pour l'examen optique des yeux; Appareils pour l'examen clinique des yeux du type à mesure objective, c. à d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour mesurer la pression intraoculaire, p.ex. tonomètres
A61M 5/00 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras
A61B 1/00 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p.ex. endoscopes; Dispositions pour l'éclairage dans ces instruments
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
22.
Apparatuses, indicators, methods and kits with timed color change indication
An apparatus, method and kit includes one or more use protocol indicators having a color changeable dye, the dye being translucent or having a first color upon immediate exposure to an environment and for a defined time thereafter and the dye changing color after exposure to the environment for the defined time. A dual environment indicator includes a first indicator color changeable dye being translucent or having a first color upon immediate exposure to a first environment and changing color after exposure to a second environment and a second indicator color changeable dye being translucent or having a first color upon immediate exposure to the second environment and for a defined time thereafter and changing color after exposure to the second environment for the defined time. A time exposure indicator comprises at least one color changeable dye disposed to change color in a sequential manner.
B01L 3/00 - Récipients ou ustensiles pour laboratoires, p.ex. verrerie de laboratoire; Compte-gouttes
G01N 21/78 - Systèmes dans lesquels le matériau est soumis à une réaction chimique, le progrès ou le résultat de la réaction étant analysé en observant l'effet sur un réactif chimique produisant un changement de couleur
According to embodiments of the present application, a color changeable dye can comprise a redox indicator, a reduction reaction initiator, an electron donor, an oxygen scavenger, an indicator barrier agent, a thickening agent and an agent to facilitate mixing. The color changeable dye is a first color in the presence of oxygen, capable of changing to a second color upon reduction in a substantially oxygen free environment, and capable of changing back to the first color after exposure to oxygen for a period of time corresponding to the intended use time of a disposable or limited use product. Methods of making and using the color changeable dye and apparatuses incorporating such dye are also disclosed.
A61M 5/50 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour empêcher la réutilisation ou pour indiquer si le dispositif est défectueux, usagé, non stérile ou si l'on a tenté de l'utiliser
A61B 17/3211 - Scalpels chirurgicaux ou bistouris; Leurs accessoires
G02B 1/10 - Revêtements optiques obtenus par application sur les éléments optiques ou par traitement de la surface de ceux-ci
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
B44F 1/10 - Tableaux changeants, amusants ou à secret
An apparatus with time controlled color change indication comprises an apparatus includes a disposable, limited or restricted use product and an oxygen sensing color changeable dye disposed on a portion of the apparatus, the dye being translucent or having a first color upon application and for a defined time thereafter and the dye changing color after exposure to oxygen for the defined time. For example, a packaging for containing a product for human consumption has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the product for human consumption should no longer be consume or has decreased in freshness, quality of taste or potency.
G02C 7/10 - Filtres, p.ex. pour faciliter l'adaptation des yeux à l'obscurité; Lunettes de soleil
A61B 3/16 - Appareils pour l'examen optique des yeux; Appareils pour l'examen clinique des yeux du type à mesure objective, c. à d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour mesurer la pression intraoculaire, p.ex. tonomètres
A61M 5/50 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour empêcher la réutilisation ou pour indiquer si le dispositif est défectueux, usagé, non stérile ou si l'on a tenté de l'utiliser
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
A61M 5/00 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras
A61B 1/00 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p.ex. endoscopes; Dispositions pour l'éclairage dans ces instruments
25.
Disposable ophthalmic/medical apparatus with timed color change indication
A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used.
G02C 7/10 - Filtres, p.ex. pour faciliter l'adaptation des yeux à l'obscurité; Lunettes de soleil
A61B 3/16 - Appareils pour l'examen optique des yeux; Appareils pour l'examen clinique des yeux du type à mesure objective, c. à d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour mesurer la pression intraoculaire, p.ex. tonomètres
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
A61M 5/50 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour empêcher la réutilisation ou pour indiquer si le dispositif est défectueux, usagé, non stérile ou si l'on a tenté de l'utiliser
A61M 5/00 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras
26.
Color changeable dyes for indicating exposure, methods of making and using such dyes, and apparatuses incorporating such dyes
According to embodiments of the present application, a color changeable dye can comprise a redox indicator, a reduction reaction initiator, an electron donor, an oxygen scavenger, an indicator barrier agent, a thickening agent and an agent to facilitate mixing. The color changeable dye is a first color in the presence of oxygen, capable of changing to a second color upon reduction in a substantially oxygen free environment, and capable of changing back to the first color after exposure to oxygen for a period of time corresponding to the intended use time of a disposable or limited use product. Methods of making and using the color changeable dye and apparatuses incorporating such dye are also disclosed.
G01N 31/00 - Recherche ou analyse des matériaux non biologiques par l'emploi des procédés chimiques spécifiés dans les sous-groupes; Appareils spécialement adaptés à de tels procédés
27.
Disposable ophthalmic/medical apparatus with timed color change indication
A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used.
A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used.
09 - Appareils et instruments scientifiques et électriques
16 - Papier, carton et produits en ces matières
35 - Publicité; Affaires commerciales
Produits et services
Thermometers not for medical purposes; thermo chromic devices; liquid crystal devices, displays, pictures and messages; labels, stickers, messages or cards, all consisting of or containing thermo chromic, photo chromic, hydro chromic or other colour changing materials; class 9 goods consisting wholly or partly of any of the aforementioned materials; monitoring apparatus. Labels, and stickers all being for use on domestic appliances. Consultancy services relating to liquid crystal technologies, applications and instruments.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
02 - Couleurs, vernis, laques
09 - Appareils et instruments scientifiques et électriques
Produits et services
Chemical products, compositions, elements, compounds and substances, all for use in industry and manufacturing processes. Paints, inks, dyes, marking and indicator fluids, colouring matters. Environmental and temperature measuring, monitoring, display and indicating apparatus and devices; temperature and temperature change indication strips; parts and fittings for all the aforesaid goods.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Paints, inks, dyes, marking and indicator fluids. Environmental and temperature measuring, monitoring, display and indicating apparatus and devices; temperature and temperature change indication strips; parts and fittings for all the aforesaid goods.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
02 - Couleurs, vernis, laques
09 - Appareils et instruments scientifiques et électriques
Produits et services
Chemical products for use in industry; all for indicating temperature or temperature change. Paints, inks, dyes, marking and indicator fluids; all for indicating temperature or temperature change. Environmental and temperature measuring, monitoring, display and indicating apparatus and devices; temperature and temperature change indication strips; parts and fittings for all the aforesaid goods, excluding apparatus for thermo analysis of metals.
color changing process pigment for use in the manufacture of inks, dyes and paints [ clothing, namely, shoes, socks, shirts, pants, neck ties, sweatshirts, T-shirts, blouses, swimwear, hats, caps, jackets, vests, shorts and gloves ]
09 - Appareils et instruments scientifiques et électriques
Produits et services
temperature measurement, monitoring, display and indicating devices in the nature of planar strips with color change area(s) thereon to denote a temperature level
