Patents by Inventor Yvan Gagnon
Yvan Gagnon 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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Publication number: 20180163064Abstract: A white ink composition is disclosed. The white ink composition comprises an ink vehicle comprising at least one compound chosen from acrylate monomers, methacrylate monomers, acrylate oligomers and methacrylate oligomers; at least one polyester resin that exhibits a crystalline structure at temperatures at or below a recrystallization temperature and that has a melting temperature below 120° C.; at least one photoinitiator; a filler comprising at least one component chosen from clay fillers and silica fillers; and at least one white colorant.Type: ApplicationFiled: December 13, 2016Publication date: June 14, 2018Applicant: XEROX CORPORATIONInventors: Mihaela Maria Birau, Marcel P. Breton, Guerino Sacripante, Aurelian Valeriu Magdalinis, Jonathan Siu-Chung Lee, Biby Esther Abraham, Yvan Gagnon, Teja Manabotula
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Publication number: 20180105712Abstract: An ink composition for use in digital offset printing including a white colorant, a translucent colorant, or a combination thereof; wherein the white colorant, translucent colorant, or combination thereof is present in an amount of at least 50 percent by weight based on the total weight of the ink composition; at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one phase change agent; an optional dispersant; an optional photoinitiator. A process of digital offset printing including applying the 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: October 18, 2016Publication date: April 19, 2018Inventors: Mihaela Maria Birau, Marcel P. Breton, James D. Mayo, Aurelian Valeriu Magdalinis, Jonathan Siu-Chung Lee, Biby Esther Abraham, Naveen Chopra, Yvan Gagnon
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Patent number: 9921500Abstract: A method of forming an overcoat layer. The method comprises providing a substrate having an imaging structure formed thereon, the imaging structure comprising (i) a charge transport layer and a charge generating layer, or (ii) an imaging layer comprising both charge generating material and charge transport material. An overcoat composition is deposited on the imaging structure, the overcoat composition comprising a charge transport molecule, a fluorinated building block, a leveling agent, a liquid carrier and optionally a first catalyst. The fluorinated building block is a fluorinated alkyl monomer substituted at the ? and ? positions with a hydroxyl, carboxyl, carbonyl or aldehyde functional group or the anhydrides of any of those functional groups. The overcoat composition is cured to form an overcoat layer that is a fluorinated structured organic film, the curing comprising treating an outer surface of the overcoat composition with at least one cross-linking process.Type: GrantFiled: September 30, 2016Date of Patent: March 20, 2018Assignee: XEROX CORPORATIONInventors: Gregory McGuire, Adrien P. Cote, Richard A. Klenkler, Yvan Gagnon
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Patent number: 9758689Abstract: An ink includes a plurality of silver nanoparticles, an aminomethylsilane viscosifier, and a hydrocarbon solvent. A method includes providing an ink including a plurality of silver nanoparticles, an aminomethylsilane viscosifier, and a hydrocarbon solvent, the method including printing an image on a substrate with the ink, and annealing the image on the substrate. An ink includes organoamine-stabilized silver nanoparticles, a viscosifier comprising N-(6-aminohexyl)aminomethyltriethoxysilane, and a hydrocarbon solvent.Type: GrantFiled: October 17, 2014Date of Patent: September 12, 2017Assignee: XEROX CORPORATIONInventors: Yiliang Wu, Guiqin Song, Biby Esther Abraham, Yvan Gagnon, Ping Liu
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Publication number: 20170075238Abstract: A method of forming an overcoat layer. The method comprises providing a substrate having an imaging structure formed thereon, the imaging structure comprising (i) a charge transport layer and a charge generating layer, or (ii) an imaging layer comprising both charge generating material and charge transport material. An overcoat composition is deposited on the imaging structure, the overcoat composition comprising a charge transport molecule, a fluorinated building block, a leveling agent, a liquid carrier and optionally a first catalyst. The fluorinated building block is a fluorinated alkyl monomer substituted at the ? and ? positions with a hydroxyl, carboxyl, carbonyl or aldehyde functional group or the anhydrides of any of those functional groups. The overcoat composition is cured to form an overcoat layer that is a fluorinated structured organic film, the curing comprising treating an outer surface of the overcoat composition with at least one cross-linking process.Type: ApplicationFiled: September 30, 2016Publication date: March 16, 2017Applicant: XEROX CORPORATIONInventors: Gregory McGuire, Adrien P. Cote, Richard A. Klenkler, Yvan Gagnon
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Patent number: 9523928Abstract: A method of forming an overcoat layer. The method comprises providing a substrate having an imaging structure formed thereon, the imaging structure comprising (i) a charge transport layer and a charge generating layer, or (ii) an imaging layer comprising both charge generating material and charge transport material. An overcoat composition is deposited on the imaging structure, the overcoat composition comprising a charge transport molecule, a fluorinated building block, a leveling agent, a liquid carrier and optionally a first catalyst. The fluorinated building block is a fluorinated alkyl monomer substituted at the ? and ? positions with a hydroxyl, carboxyl, carbonyl or aldehyde functional group or the anhydrides of any of those functional groups. The overcoat composition is cured to form an overcoat layer that is a fluorinated structured organic film, the curing comprising treating an outer surface of the overcoat composition with at least one cross-linking process.Type: GrantFiled: September 26, 2014Date of Patent: December 20, 2016Inventors: Gregory McGuire, Adrien P. Cote, Richard A. Klenkler, Yvan Gagnon
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Patent number: 9500968Abstract: An overcoat layer comprises a structured organic film (SOF) comprising a plurality of segments and a plurality of linkers including a first fluorinated segment and a second electroactive segment, and an antioxidant is present in the SOF; and a hole transport molecule which does not form a network with the SOF.Type: GrantFiled: February 11, 2015Date of Patent: November 22, 2016Assignee: XEROX CORPORATIONInventors: Gregory McGuire, Richard A. Klenkler, Adrien P. Côté, Yvan Gagnon
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Publication number: 20160231660Abstract: An overcoat layer comprises a structured organic film (SOF) comprising a plurality of segments and a plurality of linkers including a first fluorinated segment and a second electroactive segment, and an antioxidant is present in the SOF; and a hole transport molecule which does not form a network with the SOF.Type: ApplicationFiled: February 11, 2015Publication date: August 11, 2016Inventors: Gregory McGuire, Richard A. Klenkler, Adrien P. Côté, Yvan Gagnon
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Publication number: 20160108271Abstract: An ink includes a plurality of silver nanoparticles, an aminomethylsilane viscosifier, and a hydrocarbon solvent. A method includes providing an ink including a plurality of silver nanoparticles, an aminomethylsilane viscosifier, and a hydrocarbon solvent, the method including printing an image on a substrate with the ink, and annealing the image on the substrate. An ink includes organoamine-stabilized silver nanoparticles, a viscosifier comprising N-(6-aminohexyl)aminomethyltriethoxysilane, and a hydrocarbon solvent.Type: ApplicationFiled: October 17, 2014Publication date: April 21, 2016Inventors: Yiliang Wu, Guiqin Song, Biby Esther Abraham, Yvan Gagnon, Ping Liu
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Patent number: 9309419Abstract: An ink for a printer may include one or more latexes in an amount from about 0.1 wt % to about 15 wt %, one or more amines in an amount from about 0 wt % to about 2 wt %, and one or more pigments in an amount from about 0.5 wt % to about 8 wt %. The ink may also include four or more solvents that, in the aggregate, are present in an amount from about 10 wt % to about 50 wt %. The ink may further include one or more surfactants in an amount from about 0.001 wt % to about 3 wt %.Type: GrantFiled: April 24, 2014Date of Patent: April 12, 2016Assignee: XEROX CORPORATIONInventors: Marcel P. Breton, Biby Esther Abraham, James D. Mayo, Valerie M. Farrugia, Jenny Eliyahu, Adela Goredema, Barkev Keoshkerian, Yvan Gagnon, Gabriel Iftime
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Publication number: 20160091805Abstract: A method of forming an overcoat layer. The method comprises providing a substrate having an imaging structure formed thereon, the imaging structure comprising (i) a charge transport layer and a charge generating layer, or (ii) an imaging layer comprising both charge generating material and charge transport material. An overcoat composition is deposited on the imaging structure, the overcoat composition comprising a charge transport molecule, a fluorinated building block, a leveling agent, a liquid carrier and optionally a first catalyst. The fluorinated building block is a fluorinated alkyl monomer substituted at the ? and ? positions with a hydroxyl, carboxyl, carbonyl or aldehyde functional group or the anhydrides of any of those functional groups. The overcoat composition is cured to form an overcoat layer that is a fluorinated structured organic film, the curing comprising treating an outer surface of the overcoat composition with at least one cross-linking process.Type: ApplicationFiled: September 26, 2014Publication date: March 31, 2016Inventors: Gregory McGuire, Adrien P. Cote, Richard A. Klenkler, Yvan Gagnon
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Publication number: 20150307723Abstract: An ink for a printer may include one or more latexes in an amount from about 0.1 wt % to about 15 wt %, one or more amines in an amount from about 0 wt % to about 2 wt %, and one or more pigments in an amount from about 0.5 wt % to about 8 wt %. The ink may also include four or more solvents that, in the aggregate, are present in an amount from about 10 wt % to about 50 wt %. The ink may further include one or more surfactants in an amount from about 0.001 wt % to about 3 wt %.Type: ApplicationFiled: April 24, 2014Publication date: October 29, 2015Applicant: XEROX CORPORATIONInventors: MARCEL P. BRETON, BIBY ESTHER ABRAHAM, JAMES D. MAYO, VALERIE M. FARRUGIA, JENNY ELIYAHU, ADELA GOREDEMA, BARKEV KEOSHKERIAN, YVAN GAGNON, GABRIEL IFTIME
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Patent number: 9075325Abstract: A photoreceptor includes a substrate a charge generating layer disposed on the substrate and a charge transport layer disposed on the charge generating layer, the charge transport layer includes a hole transport molecule, a fluorinated diol, and a leveling agent, the charge transport layer is substantially free of a polymer binder and catalyst, and has a post-discharge voltage of less than about 10 volts.Type: GrantFiled: September 4, 2013Date of Patent: July 7, 2015Assignee: XEROX CORPORATIONInventors: Gregory McGuire, Sarah J. Vella, Adrien P. Cote, Yvan Gagnon, Brynn Dooley
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Publication number: 20150064614Abstract: A photoreceptor includes a substrate a charge generating layer disposed on the substrate and a charge transport layer disposed on the charge generating layer, the charge transport layer includes a hole transport molecule, a fluorinated diol, and a leveling agent, the charge transport layer is substantially free of a polymer binder and catalyst, and has a post-discharge voltage of less than about 10 volts.Type: ApplicationFiled: September 4, 2013Publication date: March 5, 2015Applicant: XEROX CORPORATIONInventors: Gregory McGuire, Sarah J. Vella, Adrien P. Cote, Yvan Gagnon, Brynn Dooley
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Patent number: 8852833Abstract: Imaging members having a support, an imaging layer disposed on the support, an outer layer disposed on the imaging layer and fluoropolymer particles imbedded in an outer surface of the outer layer. Image forming apparatuses having such imaging members. Processes for preparing an imaging member for an electrophotographic apparatus, the process involving coating an imaging layer with an outer layer formulation. The imaging layer can be disposed on a support. The outer layer formulation can be dried to form an outer layer disposed on the imaging layer and has an outer surface. Fluoropolymer particles are applied to the outer layer.Type: GrantFiled: April 27, 2012Date of Patent: October 7, 2014Assignee: Xerox CorporationInventors: Gregory McGuire, Richard Klenkler, Yvan Gagnon, Yu Liu
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Patent number: 8765218Abstract: The presently disclosed embodiments are directed generally to methods for making the core-shell fluorinated particles which are incorporated into the overcoat layers of an electrophotographic imaging member to reduce torque and cleaning failures during the photoreceptor cleaning process. The core-shell fluorinated particles are core-shell fluorinated nano- or micro-particles encapsulated in a melamine shell. The present embodiments also pertain to processes for making the overcoat layer comprising the core-shell fluorinated particles.Type: GrantFiled: September 3, 2009Date of Patent: July 1, 2014Assignee: Xerox CorporationInventors: Woo Soo Kim, Nan-Xing Hu, Jennifer A. Coggan, Yvan Gagnon
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Patent number: 8660465Abstract: Presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. More particularly, the embodiments pertain to an electrophotographic imaging member having its outer surface patterned such that friction with the cleaning blade is significantly reduced.Type: GrantFiled: October 25, 2010Date of Patent: February 25, 2014Assignee: Xerox CorporationInventors: Woo Soo Kim, Nan-Xing Hu, Cuong Vong, Yvan Gagnon, Vladislav Skorokhod
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Patent number: 8628823Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member incorporating an outer layer having a groove pattern imprinted into its surface to lower friction with the cleaning blade and improve print quality and performance. Embodiments also pertain to methods and systems for making the improved imaging member.Type: GrantFiled: June 16, 2011Date of Patent: January 14, 2014Assignee: Xerox CorporationInventors: Nan-Xing Hu, Gregory McGuire, Richard A. Klenkler, Yvan Gagnon, Gaetano J. Lavigne
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Publication number: 20130288168Abstract: Imaging members having a support, an imaging layer disposed on the support, an outer layer disposed on the imaging layer and fluoropolymer particles imbedded in an outer surface of the outer layer. Image forming apparatuses having such imaging members. Processes for preparing an imaging member for an electrophotographic apparatus, the process involving coating an imaging layer with an outer layer formulation. The imaging layer can be disposed on a support. The outer layer formulation can be dried to form an outer layer disposed on the imaging layer and has an outer surface. Fluoropolymer particles are applied to the outer layer.Type: ApplicationFiled: April 27, 2012Publication date: October 31, 2013Applicant: XEROX CORPORATIONInventors: Gregory McGuire, Richard Klenkler, Yvan Gagnon, Yu Liu
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Patent number: 8460844Abstract: A imaging member, such as a photoreceptor, comprising a structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may comprise at least one secondary component, such as an antioxidant.Type: GrantFiled: September 27, 2011Date of Patent: June 11, 2013Assignee: Xerox CorporationInventors: Matthew A. Heuft, Adrien P. Cote, Greg McGuire, Nan-Xing Hu, Yvan Gagnon