Patents by Inventor Biby Esther Abraham
Biby Esther Abraham has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10907058Abstract: An aqueous ink composition including water; an optional co-solvent; an optional colorant; a sulfonated polyester; and an isoprene rubber. A process of digital offset printing, the process including applying an ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature; wherein the ink composition comprises: water; an optional co-solvent; an optional colorant; a sulfonated polyester; and an isoprene rubber. A process including combining a sulfonated polyester resin, water, an optional co-solvent, an optional colorant, a sulfonated polyester, and an isoprene rubber to form an aqueous ink composition.Type: GrantFiled: June 5, 2018Date of Patent: February 2, 2021Assignee: Xerox CorporationInventors: Naveen Chopra, Biby Esther Abraham, Guerino G. Sacripante, Carolyn Moorlag
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Patent number: 10907059Abstract: An aqueous ink composition including water; an optional co-solvent; a sulfonated polyester, wherein the sulfonated polyester has a degree of sulfonation of at least about 3.5 mol percent; and an isoprene rubber. A process of digital offset printing including applying an ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature; wherein the ink composition comprises water; an optional co-solvent; a sulfonated polyester having a degree of sulfonation of at least about 3.5 mol percent; and an isoprene rubber. A process including combining a sulfonated polyester resin, having a degree of sulfonation of at least about 3.Type: GrantFiled: June 5, 2018Date of Patent: February 2, 2021Assignee: Xerox CorporationInventors: Naveen Chopra, Robert Christopher Claridge, Biby Esther Abraham, Carolyn Moorlag, Guerino G. Sacripante
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Patent number: 10821658Abstract: Disclosed herein is a printing method for forming a three dimensional article. The method includes providing a first 3D structural material; depositing a metal nanoparticle ink composition on a surface of the first 3D structural material; annealing the metal nanoparticle ink composition at a temperature of between 60° C. and 100° C. to form the conductive article on the first 3D structural material; and optionally forming a second 3D structural material over the conductive article.Type: GrantFiled: July 24, 2018Date of Patent: November 3, 2020Assignee: XEROX CORPORATIONInventors: Adela Goredema, Chad S. Smithson, Michelle N. Chretien, Biby Esther Abraham, Hojjat Seyed Jamali
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Patent number: 10814659Abstract: Methods for printing a conductive object are provided which may comprise dispensing one of a first ink composition and a second ink composition towards a substrate surface to form a deposition region on the substrate surface or on a previously printed object on the substrate surface, wherein the first ink composition comprises an aqueous solution of a metal compound and the second ink composition comprises an aqueous solution of a stable free radical; dispensing the other of the first and second ink compositions in the deposition region to mix the first and second ink compositions and induce chemical reduction of the metal compound by the stable free radical and precipitation of the metal of the metal compound; and removing solvent from the deposition region, thereby forming a conductive object comprising the precipitated metal.Type: GrantFiled: June 28, 2018Date of Patent: October 27, 2020Assignee: XEROX CORPORATIONInventors: Barkev Keoshkerian, Adela Goredema, Sarah J. Vella, Biby Esther Abraham, Michelle N Chretien
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Publication number: 20200308427Abstract: An ink composition includes at least one sulfonated polyester, at least one (meth)acrylate monomer, at least one urethane acrylate oligomer, at least one photoinitiator, at least one colorant and water.Type: ApplicationFiled: March 28, 2019Publication date: October 1, 2020Applicant: XEROX CORPORATIONInventors: Robert Claridge, Naveen Chopra, Biby Esther Abraham
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Patent number: 10738209Abstract: An ink composition including a humectant blend comprising a first humectant and a second humectant; wherein the first humectant has a freezing point; wherein the second humectant suppresses the freezing point of the first humectant such as to impart to the ink composition the characteristic of being able to be stored at a desired temperature without solidifying; water; an optional co-solvent; an optional colorant; and a sulfonated polyester. A process of digital offset printing using the ink composition.Type: GrantFiled: June 5, 2018Date of Patent: August 11, 2020Assignee: Xerox CorporationInventors: Naveen Chopra, Robert Christopher Claridge, Biby Esther Abraham, Carolyn Moorlag, Guerino G. Sacripante
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Publication number: 20200102468Abstract: A dielectric ink composition includes at least one (meth)acrylate compound selected from the group consisting of (meth)acrylate monomers, (meth)acrylate oligomers and combinations thereof; a sensitizing photoinitiator; an amine synergist photoinitiator; a phosphine oxide photoinitiator and a gellant.Type: ApplicationFiled: November 26, 2018Publication date: April 2, 2020Applicant: XEROX CORPORATIONInventors: Naveen Chopra, Sarah J. Vella, Biby Esther Abraham, Cuong Vong
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Patent number: 10604668Abstract: An aqueous ink composition including water, an optional co-solvent, a sulfonated polyester, and a polyurethane dispersion, and process of making thereof.Type: GrantFiled: June 5, 2018Date of Patent: March 31, 2020Assignee: XEROX CORPORATIONInventors: Naveen Chopra, Rob Claridge, Biby Esther Abraham, Carolyn Moorlag, Jonathan Siu-Chung Lee, Guerino Sacripante
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Patent number: 10577515Abstract: A dielectric ink composition includes at least one (meth)acrylate compound selected from the group consisting of (meth)acrylate monomers, (meth)acrylate oligomers and combinations thereof; a sensitizing photoinitiator; an amine synergist photoinitiator; and a phosphine oxide photoinitiator. A device including a dielectric layer formed by printing the dielectric ink composition described herein is also disclosed.Type: GrantFiled: November 26, 2018Date of Patent: March 3, 2020Assignee: XEROX CORPORATIONInventors: Naveen Chopra, Sarah J. Vella, Biby Esther Abraham, Cuong Vong
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Publication number: 20200040228Abstract: Provided herein is conductive adhesive composition comprising at least one epoxy resin, at least one polymer chosen from polyvinyl phenols and polyvinyl butyrals, at least one melamine resin, a plurality of eutectic metal alloy nanoparticles, and at least one solvent. Also provided herein is an electronic device comprising a substrate, conductive features disposed on the substrate, a conductive electrical component disposed over the conductive features, and a conductive adhesive composition disposed between the conductive features and the conductive electrical component. Further disclosed herein are methods of making a conductive adhesive composition.Type: ApplicationFiled: February 15, 2019Publication date: February 6, 2020Applicant: XEROX CORPORATIONInventors: Sarah J. Vella, Guiqin Song, Chad Steven Smithson, Naveen Chopra, Kurt Halfyard, Biby Esther Abraham
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Publication number: 20200031041Abstract: Disclosed herein is a printing method for forming a three dimensional article. The method includes providing a first 3D structural material; depositing a metal nanoparticle ink composition on a surface of the first 3D structural material; annealing the metal nanoparticle ink composition at a temperature of between 60° C. and 100° C. to form the conductive article on the first 3D structural material; and optionally forming a second 3D structural material over the conductive article.Type: ApplicationFiled: July 24, 2018Publication date: January 30, 2020Inventors: Adela Goredema, Chad S. Smithson, Michelle N. Chretien, Biby Esther Abraham, Hojjat Seyed Jamali
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Publication number: 20200032088Abstract: A metal nanoparticle ink composition comprises an ink vehicle and a plurality of metal nanoparticles dispersed in the ink vehicle. The metal nanoparticles including both a first organic stabilizing group and a second organic stabilizing group attached thereto, the first organic stabilizing group being different from the second organic stabilizing group, the first organic stabilizing group being selected from the group consisting of decylamine, undecylamine, dodecylamine, tridecylamine, tetradecylamine and mixtures thereof, and the second organic stabilizing group being selected from group consisting of butylamine, pentylamine, hexylamine, heptylamine, octylamine, nonylamine, decylamine and mixtures thereof.Type: ApplicationFiled: July 24, 2018Publication date: January 30, 2020Applicant: XEROX CORPORATIONInventors: Hojjat Seyed Jamali, Adela Goredema, Biby Esther Abraham, Jonathan Lee, Cuong Vong
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Publication number: 20200001637Abstract: Methods for printing a conductive object are provided which may comprise dispensing one of a first ink composition and a second ink composition towards a substrate surface to form a deposition region on the substrate surface or on a previously printed object on the substrate surface, wherein the first ink composition comprises an aqueous solution of a metal compound and the second ink composition comprises an aqueous solution of a stable free radical; dispensing the other of the first and second ink compositions in the deposition region to mix the first and second ink compositions and induce chemical reduction of the metal compound by the stable free radical and precipitation of the metal of the metal compound; and removing solvent from the deposition region, thereby forming a conductive object comprising the precipitated metal.Type: ApplicationFiled: June 28, 2018Publication date: January 2, 2020Inventors: Barkev Keoshkerian, Adela Goredema, Sarah J. Vella, Biby Esther Abraham, Michelle N. Chretien
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Publication number: 20190390073Abstract: A composition including at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one photoinitiator that absorbs at an ultraviolet light-emitting diode wavelength; and at least one photoinitiator that does not absorb radiation at the ultraviolet light-emitting diode wavelength. A process of digital offset printing including applying a composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature.Type: ApplicationFiled: June 22, 2018Publication date: December 26, 2019Inventors: C. Geoffrey Allen, Carolyn Moorlag, Aurelian Valeriu Magdalinis, Biby Esther Abraham, Jonathan Siu-Chung Lee
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Publication number: 20190390072Abstract: An ink composition including at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one non-radiation curable poly-alpha-olefin; at least one photoinitiator that absorbs at an ultraviolet light-emitting diode wavelength; and an optional colorant. A process of digital offset printing including applying an ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature; wherein the ink composition comprises at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one non-radiation curable poly-alpha-olefin; at least one photoinitiator that absorbs at an ultraviolet light-emitting diode wavelength; and an optional colorant.Type: ApplicationFiled: June 22, 2018Publication date: December 26, 2019Inventors: C. Geoffrey Allen, Carolyn Moorlag, Aurelian Valeriu Magdalinis, Biby Esther Abraham, Jonathan Siu-Chung Lee
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Publication number: 20190367754Abstract: An aqueous ink composition including water, an optional co-solvent, a sulfonated polyester, and a polyurethane dispersion, and process of making thereof.Type: ApplicationFiled: June 5, 2018Publication date: December 5, 2019Inventors: Naveen Chopra, Rob Claridge, Biby Esther Abraham, Carolyn Moorlag, Jonathan Siu-Chung Lee, Guerino Sacripante
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Publication number: 20190367750Abstract: An aqueous ink composition including water; an optional co-solvent; an optional colorant; a sulfonated polyester; and an isoprene rubber. A process of digital offset printing, the process including applying an ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature; wherein the ink composition comprises: water; an optional co-solvent; an optional colorant; a sulfonated polyester; and an isoprene rubber. A process including combining a sulfonated polyester resin, water, an optional co-solvent, an optional colorant, a sulfonated polyester, and an isoprene rubber to form an aqueous ink composition.Type: ApplicationFiled: June 5, 2018Publication date: December 5, 2019Inventors: Naveen Chopra, Biby Esther Abraham, Guerino G. Sacripante, Carolyn Moorlag
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Publication number: 20190367757Abstract: An ink composition including a humectant blend comprising a first humectant and a second humectant; wherein the first humectant has a freezing point; wherein the second humectant suppresses the freezing point of the first humectant such as to impart to the ink composition the characteristic of being able to be stored at a desired temperature without solidifying; water; an optional co-solvent; an optional colorant; and a sulfonated polyester. A process of digital offset printing using the ink composition.Type: ApplicationFiled: June 5, 2018Publication date: December 5, 2019Inventors: Naveen Chopra, Robert Christopher Claridge, Biby Esther Abraham, Carolyn Moorlag, Guerino G. Sacripante
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Publication number: 20190367753Abstract: An aqueous ink composition including water; an optional co-solvent; an optional colorant; a polyester; and a polymer additive, wherein the polymer additive is selected from a member of the group consisting of styrene-butadiene, acrylonitrile-butadiene, acrylonitrile-butadiene-styrene, and combinations thereof. A process of digital offset printing including applying an ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature.Type: ApplicationFiled: June 5, 2018Publication date: December 5, 2019Inventors: Naveen Chopra, Robert Christopher Claridge, Biby Esther Abraham, Carolyn Moorlag, Guerino G. Sacripante
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Publication number: 20190367751Abstract: An aqueous ink composition including water; an optional co-solvent; a sulfonated polyester, wherein the sulfonated polyester has a degree of sulfonation of at least about 3.5 mol percent; and an isoprene rubber. A process of digital offset printing including applying an ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature; wherein the ink composition comprises water; an optional co-solvent; a sulfonated polyester having a degree of sulfonation of at least about 3.5 mol percent; and an isoprene rubber. A process including combining a sulfonated polyester resin, having a degree of sulfonation of at least about 3.Type: ApplicationFiled: June 5, 2018Publication date: December 5, 2019Inventors: Naveen Chopra, Robert Christopher Claridge, Biby Esther Abraham, Carolyn Moorlag, Guerino G. Sacripante