Patent application number | Description | Published |
20100041551 | THERMALLY GATED PHOTOCHROMIC MEDIUM - The presently disclosed embodiments are directed to image forming mediums useful for reimageable and transient documents. More particularly, the embodiments pertain to an image forming medium comprising thermally gated photochromic materials comprising diarylethene (DAE) photochromes which avoid problems with unwanted reduction in color contrast due to background coloration. | 02-18-2010 |
20100086768 | PARTICLES WITH LIGHT ABSORBING MATERIAL FOR REIMAGEABLE MEDIUM - A plurality of particles including: (a) a binder; (b) a photochromic material; and (c) a light absorbing material. | 04-08-2010 |
20100216635 | REVERSE WRITE ERASABLE PAPER - An image-forming medium and methods for forming and imaging the medium are provided. The disclosed medium can be strongly colored under room illumination (or deliberate UV) and can be selectively discolored at an appropriate light wavelength to form an image. In one embodiment, the image-forming medium can include a substrate (e.g., a sheet of paper), a photochromic material incorporated with the substrate, and a photo-absorbing material incorporated with the photochromic material. Exemplary methods for using the image-forming medium to make a transient image can include first forming the image-forming medium by applying a coating solution containing photochromic material to the substrate or paper. The image-forming medium can have a medium color and can then be selectively exposed to a radiation through a mask to convert the photochromic material from a colored form to a colorless form and thus to form an image having a color contrast with its background. | 08-26-2010 |
20100227760 | REIMAGEABLE AND REUSABLE MEDIUM AND METHOD OF PRODUCING AND USING THE REIMAGEABLE AND REUSABLE MEDIUM - The present disclosure provides a reusable and reimageable medium including a substrate coated with a photochromic polymer. The photochromic polymer has a glass transition temperature ranging from 30° C. to 150° C., such as from about 30° C. to about 100° C., and the coated substrate converts to a colored state when both UV light and temperatures ranging from 30° C. up to 100° C. are applied to the coated substrate. The present disclosure also provides a method for producing and using the reusable and reimageable medium. | 09-09-2010 |
20110056282 | SENSORS AND METHODS FOR DETERMINING WHETHER AN ITEM HAS BEEN EXPOSED TO AN ENVIRONMENTAL CONDITION - A method for determining whether an item has been exposed to an environmental condition during a monitoring period. The method includes placing a sensor at least in proximity to the item at the beginning of the monitoring period so that the sensor will be exposed to a level of an environmental condition that can be correlated to an exposure level of the item to the environmental condition; reading the sensor; and determining from reading the sensor whether the item has been exposed to the environmental condition. The sensor includes a detecting material comprising a photochromic or photothermochromic material, the detecting material selected so that upon exposure to the environmental condition the detecting material exhibits a detectable color change. | 03-10-2011 |
20110082035 | PHOTOCHROMIC MATERIALS INCORPORATED IN POLYMER BACKBONE - Exemplary embodiments provide compositions and methods for making and using an erasable medium that can include a photochromic layer disposed over a substrate. The photochromic layer can include one or more photochromic molecule-polymer systems, wherein each of the one or more photochromic molecule-polymer systems can include a photochromic molecule covalently bonded within a polymer main chain, the photochromic molecule including one or more photochromic moieties (PM) linked together via a linker. | 04-07-2011 |
20110092364 | OLIGOMERIC SPIROPYRANS FOR ERASABLE MEDIUM APPLICATIONS - Exemplary embodiments provide compositions and methods for making and using an erasable medium that can contain oligomeric photochromic materials such as spiropyran oligomers, wherein the oligomeric photochromic material can include a plurality of photochromic groups such as spiropyrans covalently connected together by one or more linkers. | 04-21-2011 |
20110130279 | ERASABLE MEDIA WITH BINDER - Exemplary embodiments provide compositions and methods for an erasable medium that can include a photochromic composite containing a photochromic polymer dispersed in a polymer binder, a similar type polymer of a backbone portion of the photochromic polymer. | 06-02-2011 |
20110215283 | PHOTOCHROMIC POLYMER WITH BINDER - The present disclosure relates to the process of making a photochromic composite having a photochromic polymer and a binder polymer. The photochromic polymer is made by solution polymerization of the photochromic monomer and two monomers in the presence of a base and the binder polymer is made by solution polymerization of the two monomers in the presence of a base. | 09-08-2011 |
20110281104 | NON-STICKY ERASABLE MEDIA WITH OVERCOAT - Exemplary embodiments provide an erasable medium having an overcoat layer on a photochromic layer to provide a non-adhesive surface for the erasable medium when exposed to high temperatures, wherein the overcoat layer can include a latex or a mixture of a latex and a wax. | 11-17-2011 |
20110281482 | NOVEL LOWER COST REUSABLE POLYMER BINDER - Exemplary embodiments provide compositions for erasable media and methods of forming polymers for erasable media. The method can include providing a first monomer, the first monomer including one or more alkoxylated bisphenols and adding at least one second monomer and a catalyst to the first monomer to form a mixture at a first temperature, the second monomer selected from the group consisting of an organic diacid, a dialkyl ester of the organic diacid, and combinations thereof. The method can also include melt condensing the mixture by increasing the temperature from the first temperature to a second temperature over a first amount of time to form one or more polymers, wherein the one or more polymers has an acid value in the range of about 0.1 mg-KOH to about 12 mg-KOH. | 11-17-2011 |
20120038718 | STABILIZED PHOTOCHROMIC INK FOR REUSABLE PAPER ANNOTATION - Provided are ink compositions, methods for making photochromic inks, and methods of using the photochromic inks for erasable media annotation. In accordance with various embodiments, there is an ink composition including a carrier medium and one or more photochromic species in the carrier medium, wherein each of the one or more photochromic species can be selected from the group consisting of monomeric photochromic molecules, photochromic oligomers, and photochromic polymers, and wherein each one of the one or more photochromic species exhibits a reversible transition from a colorless state to a colored state upon exposure to a radiant condition wherein the radiant condition can be selected from the group consisting of a radiant energy and a combination of a radiant energy and thermal energy. | 02-16-2012 |
20120040199 | ERASABLE MEDIUM WITH UNCOATED SUBSTRATE - Provided are compositions and methods for making an erasable medium that can include an aqueous photochromic emulsion including a photochromic polymer, a polymer binder, and water. | 02-16-2012 |
20120108775 | PHOTOCHROMIC POLYESTERS AND METHODS OF PRODUCING PHOTOCHROMIC POLYESTERS - A method for producing a photochromic polyester, the method including: a) providing a reaction solution having at least one ester monomer, a photochromic compound having or functionalized to have at least one hydroxyl group, and a metal-free catalyst; b) reacting the at least one ester monomer and the photochromic compound using the metal-free catalyst to produce a polymeric product, where the polymeric product has a photochromic polyester; and c) separating the polymeric product from the reaction solution. A photochromic polyester includes a photochromic compound covalently linked to a polyester and the polyester is obtained by polymerizing a lactone. | 05-03-2012 |
20120272860 | PHASE CHANGE INK COMPONENTS AND METHODS OF MAKING THE SAME - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates, and methods for making the same. In embodiments, the crystalline and amorphous components are synthesized from an esterification reaction of tartaric acid with an alcohol. | 11-01-2012 |
20120272861 | SOLID INK COMPOSITIONS COMPRISING AMORPHOUS ESTERS OF CITRIC ACID - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the amorphous component is synthesized from an esterification reaction of citric acid. | 11-01-2012 |
20120272862 | PHASE CHANGE INKS AND METHODS OF MAKING THE SAME - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the amorphous and crystalline components are both synthesized from an esterification reaction. | 11-01-2012 |
20120272863 | SOLID INK COMPOSITIONS COMPRISING CRYSTALLINE ESTERS OF TARTARIC ACID - A solid ink composition comprising an amorphous component, a crystalline component, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the crystalline component is synthesized from an esterification reaction of tartaric acid. | 11-01-2012 |
20120272864 | PHASE CHANGE INKS AND METHODS OF MAKING THE SAME - A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink composition comprises both a crystalline component and an amorphous component, and optionally, a colorant, which provides for a robust ink. | 11-01-2012 |
20120272865 | SOLID INK COMPOSITIONS COMPRISING AMORPHOUS ESTERS OF TARTARIC ACID - A solid ink composition comprising an amorphous component, a crystalline component, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the amorphous component is synthesized from an esterification reaction of tartaric acid. | 11-01-2012 |
20120274698 | Phase Change Ink - A phase change ink including at least one crystalline component of the formula | 11-01-2012 |
20120274699 | SOLID INK COMPOSITIONS COMPRISING CRYSTALLINE-AMORPHOUS MIXTURES - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a solid ink with excellent robustness when forming images or printing on coated paper substrates. | 11-01-2012 |
20120274700 | SOLID INK COMPOSITIONS COMPRISING CRYSTALLINE-AMORPHOUS MIXTURES - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of amorphous and crystalline components which provides a solid ink with excellent rheological properties and robustness when forming images or printing on coated paper substrates. | 11-01-2012 |
20120274713 | Phase Separation Ink - A phase separation ink including at least one crystallizable component that crystallizes as it cools from a first ink jetting temperature to a second lower temperature; at least one amorphous component comprising a material that remains amorphous at the second temperature; an optional colorant; wherein the at least one crystallizable component and the at least one amorphous component are in a molten, single phase state at the first ink jetting temperature; wherein at the second temperature, the phase separation ink comprises a crystalline phase comprising the at least one crystallizable component and an amorphous phase comprising the at least one amorphous component; wherein the amorphous phase of the at least one phase separation ink substantially penetrates into the final image receiving substrate and the crystalline phase of the at least one phase separation ink substantially remains on the surface of the final image receiving substrate. | 11-01-2012 |
20120277462 | Solventless Reaction Process - A process including reacting at least one organic acid with at least one compound of the formula R—OH, in the presence of an optional catalyst, in a reaction mixture wherein the reaction mixture is substantially free of solvent, to form a reaction product, wherein the reaction product is an ester of citric acid or an ester of tartaric acid; optionally, heating the reaction mixture; and optionally, isolating the reaction product. | 11-01-2012 |
20120291663 | PHASE CHANGE INK COMPONENTS AND METHODS OF MAKING THE SAME - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates, and methods for making the same. In embodiments, the crystalline and amorphous components are synthesized from an esterification reaction of tartaric acid with an alcohol. | 11-22-2012 |
20130284052 | PHASE CHANGE INKS COMPRISING INORGANIC NUCLEATING AGENTS - A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In particular, the solid ink composition comprises a crystalline compound, an amorphous compound, and an inorganic nucleating agent, which provides for a robust and fast printing ink. | 10-31-2013 |
20130284053 | FAST CRYSTALLIZING CRYSTALLINE-AMORPHOUS INK COMPOSITIONS AND METHODS FOR MAKING THE SAME - A phase change ink composition comprising an amorphous component, and a crystalline material, which are suitable for ink jet printing, including printing on coated paper substrates. In particular, the functional group(s) present in the amorphous component differ from the functional group(s) present in the crystalline component. In particular, the phase change inks compositions solidify fast and are suitable for high speed printing. | 10-31-2013 |
20130284054 | RAPID SOLIDIFYING CRYSTALLINE-AMORPHOUS INKS - A phase change ink composition comprising an amorphous compound and a crystalline compound capable of crystallizing at a total crystallization time of less than 15 seconds and methods of making the same. | 10-31-2013 |
20130284055 | Rapidly crystallizing phase change inks and methods for forming the same - A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink composition comprises both a crystalline compound and an amorphous compound, and optionally, in combination, an organic pigment, which provides for a robust, rapid crystallization ink composition. | 10-31-2013 |
20130284056 | PHASE CHANGE INK COMPOSITIONS COMPRISING CRYSTALLINE DIURETHANES AND DERIVATIVES THEREOF - A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates and are suitable for fast printing processes. In particular, the crystalline component comprises a diurethane compound or derivatives thereof. | 10-31-2013 |
20130284057 | PHASE CHANGE INKS COMPRISING ORGANIC PIGMENTS - A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In particular, the solid ink composition comprises a crystalline compound, an amorphous compound, and an organic pigment, which provides for a robust and fast crystallizing ink. | 10-31-2013 |
20130284058 | PHASE CHANGE INK COMPOSITIONS COMPRISING AROMATIC ETHERS - A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In particular, the crystalline component comprises an aromatic ether. | 10-31-2013 |
20130284059 | PHASE CHANGE INK COMPOSITIONS COMPRISING DIURETHANES AS AMORPHOUS MATERIALS - A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for high speed ink jet printing, including printing on coated paper substrates. In embodiments, the amorphous component comprises a diurethane compound or derivatives thereof. | 10-31-2013 |
20130284060 | PHASE CHANGE INKS COMPRISING CRYSTALLINE AMIDES - A phase change ink composition suitable for high speed ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound, and optionally, a colorant, which provides for a robust ink. The crystalline compound is an amide and the amorphous compound is an ester of tartaric acid. | 10-31-2013 |
20130284061 | PHASE CHANGE INKS COMPRISING AROMATIC DIESTER CRYSTALLINE COMPOUNDS - A phase change ink composition suitable for high speed ink jet printing, including printing on coated paper substrates. In particular, the phase change ink composition comprises an aromatic diester crystalline compound and an amorphous compound, and optionally, a colorant, which provides for a robust ink. | 10-31-2013 |
20130284062 | PHASE CHANGE INK COMPOSITIONS COMPRISING CRYSTALLINE SULFONE COMPOUNDS AND DERIVATIVES THEREOF - A phase change ink composition comprising an amorphous component, a crystalline component comprises a sulfone compound or derivatives thereof, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. | 10-31-2013 |
20130333591 | LIGHTFAST SOLID INK COMPOSITIONS - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a dye-based solid ink with excellent robustness when forming images or printing on coated paper substrates as well as excellent lightfastness. | 12-19-2013 |
20140041546 | PHASE CHANGE INK COMPONENTS AND METHODS OF MAKING THE SAME - A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates, and methods for making the same. In embodiments, the crystalline and amorphous components are synthesized from an esterification reaction of tartaric acid with an alcohol. | 02-13-2014 |
20140137767 | Phase Change Inks Containing Oligomeric Rosin Esters - Disclosed is a phase change ink comprising an ink carrier which comprises a crystalline component and an amorphous rosin ester. In specific embodiments, the crystalline component can be a trans-cinnamic diester, a diester of tartaric acid, or a diurethane. In specific embodiments, the ink exhibits a peak melting point of no more than about 150° C., an onset crystallization temperature of no less than about 60° C., a melt viscosity within the temperature range of from about 100° C. to about 130° C. of from about 5 cps to about 22 cps, a peak solidification viscosity at about 50° C. of no less than about 1×10 | 05-22-2014 |
20140139591 | INK COMPOSITIONS INCORPORATING ESTER RESINS - An ink composition including one or more ester resins, the ink composition containing an optional colorant; at least one crystalline phase-change agent; an amorphous binder agent; and optionally one or more additives; where the at least one amorphous binder agent includes at least one ester compound. | 05-22-2014 |
20140139599 | PHASE CHANGE INKS COMPRISING INORGANIC NUCLEATING AGENTS - A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In particular, the solid ink composition comprises a crystalline compound, an amorphous compound, and an inorganic nucleating agent, which provides for a robust and fast printing ink. | 05-22-2014 |
20140142335 | ESTER RESIN COMPOSITIONS - A composition including one or more ester resins useful for various applications is disclosed. For example, the composition including one or more ester resins may function as a component that is incorporated into an ink composition. | 05-22-2014 |
20140200368 | AMORPHOUS MATERIALS FOR USE IN PHASE CHANGE INKS - An amorphous compound for use in phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises an amorphous compound and a crystalline compound which is derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition. | 07-17-2014 |
20140208979 | MALIC ACID DERIVATIVES AS AMORPHOUS MATERIALS FOR PHASE CHANGE INK - Disclosed herein is a component that is substantially amorphous, the component comprising at least one non-ester material and at least one ester of malic acid having a formula of | 07-31-2014 |
20140285594 | INK COMPOSITION AND METHOD OF JETTING INK - A phase change ink composition is disclosed. The composition comprises a crystalline component including a diamide compound with an aromatic ring core; an amorphous component; and optionally a colorant. Methods of printing the phase change ink composition are also disclosed. | 09-25-2014 |
20140352576 | MIXTURES OF ESTER OF TARTARIC ACID AND ESTER OF CITRIC ACID AS AMORPHOUS MATERIALS FOR PHASE CHANGE INKS - The disclosure provides amorphous materials comprising mixtures of ester of tartaric acid and ester of citric acid, which are suitable for phase change inks. | 12-04-2014 |
20140357772 | PHASE CHANGE INK COMPOSITIONS COMPRISING MIXTURES OF ESTER OF TARTARIC ACID AND ESTER OF CITRIC ACID AS AMORPHOUS MATERIALS - The disclosure provides phase change ink compositions comprising an amorphous material comprising mixtures of ester of tartaric acid and ester of citric acid. | 12-04-2014 |
20150051342 | CURABLE PHASE CHANGE INK COMPOSITIONS - A phase change ink composition is provided comprising a UV-curable component, a crystalline component, and an amorphous component, wherein the addition of a UV-curable component imparts improved robustness over the ink that contains only crystalline and amorphous materials. | 02-19-2015 |