Patents by Inventor Richard J. McManus
Richard J. McManus 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: 20220098425Abstract: An example of a continuous ink supply system includes an ink supply reservoir, a conduit fluidly connected to the ink supply reservoir, and a low-conductivity ink contained in the ink supply reservoir. The low-conductivity ink includes a self-dispersed carbon black pigment, a non-ionic surfactant, a co-solvent, and a balance of water. The low-conductivity ink has a conductivity of 400 or less ?S/cm.Type: ApplicationFiled: February 22, 2019Publication date: March 31, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Vladimir Jakubek, Richard J. McManus, Carrie E. Harris
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Patent number: 10472531Abstract: The present disclosure relates to an ink composition containing a colorant; a hydroxylated co-solvent; a non-hydroxylated co-solvent, a polyurethane binder and water. The weight percent ratio of the hydroxylated co-solvent to the non-hydroxylated co-solvent in the ink composition ranges from 55:45 to 65:35; and the total amount of hydroxylated co-solvent and non-hydroxylated co-solvent in the ink composition is at least 18 wt %. The amount of polyurethane binder in the ink composition is 0.1 to less than 1 wt %.Type: GrantFiled: July 20, 2015Date of Patent: November 12, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Linda Sherry, Niamh Kelly, Richard J. McManus, Kevin Rattigan, John Breen
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Patent number: 10414928Abstract: An ink composition includes water, a co-solvent, a colorant, and a modified polymer or copolymer additive. The modified polymer or copolymer additive is selected from the group consisting of i) a hydrolyzed poly(isobutylene-alt-maleic anhydride), ii) a hydrolyzed poly(maleic anhydride-alt-1-octadecene), and iii) a modified polymer or copolymer. The modified polymer or copolymer includes a repeating unit of a backbone chain, and a long chain pendant group attached to a carbon atom of the repeating unit. In the backbone chain, the long chain pendant group of the repeating unit is separated by fewer than 8 spacer carbon atoms from another long chain pendant group of an adjacent repeating unit.Type: GrantFiled: January 30, 2015Date of Patent: September 17, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sundar Vasudevan, Natalie Harvey, Richard J. McManus, Vladimir Jakubek
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Patent number: 10400123Abstract: An ink composition includes a colorant, a co-solvent, a surfactant system, and water. The surfactant system consists of an acid, lithium, and a non-ionic surfactant. The acid is selected from the group consisting of oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The non-ionic surfactant includes a hydrophilic head group to interact with the lithium and a hydrophobic tail to not sterically hinder formation of an anti-evaporative layer to be formed by the surfactant system. The non-ionic surfactant also excludes any ethyleneoxy groups.Type: GrantFiled: June 6, 2014Date of Patent: September 3, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sundar Vasudevan, Richard J. McManus, Vladimir Jakubek
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Patent number: 10369828Abstract: A media sheet has an image-receiving layer that includes about 30 to about 70 percent calcined clay.Type: GrantFiled: April 6, 2006Date of Patent: August 6, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventor: Richard J. Mcmanus
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Patent number: 10273375Abstract: An ink composition includes colorant, co-solvent system, acid (e.g., oleic, linoleic, undecanoic, dodecanoic, and/or tridecanoic acids), lithium, polymer as binder, and water. The co-solvent system is selected from i) from ˜9 to ˜25 wt % of sulfolane with no other co-solvent, ii) hydroxylated co-solvent, from ˜4 to ˜16 wt % of sulfolane, and at least 8 wt % of another non-hy-droxylated co-solvent; iii) hydroxylated co-solvent, from ˜7 to ˜16 wt % of sulfolane, and at least 3 wt % of the other non-hydroxylated co-solvent; and iv) a hydroxylated co-solvent and from ˜9 wt % to ˜16 wt % of sulfolane. When i) or ii) or iv) is used, at least 0.15 wt % acid and at least 200 ppm lithium are included; or when iii) is used, at least 0.25 wt % acid and at least 100 ppm lithium are included; or when iii) is used, at least 0.15 wt % acid and at least 150 ppm lithium are included.Type: GrantFiled: June 6, 2014Date of Patent: April 30, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Vladimir Jakubek, Richard J. McManus, Sundar Vasudevan, Matthew Thornberry
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Publication number: 20180094151Abstract: The present disclosure relates to an ink composition containing a colorant; a hydroxylated co-solvent; a non-hydroxylated co-solvent, a polyurethane binder and water. The weight percent ratio of the hydroxylated co-solvent to the non-hydroxylated co-solvent in the ink composition ranges from 55:45 to 65:35; and the total amount of hydroxylated co-solvent and non-hydroxylated co-solvent in the ink composition is at least 18 wt %. The amount of polyurethane binder in the ink composition is 0.1 to less than 1 wt %.Type: ApplicationFiled: July 20, 2015Publication date: April 5, 2018Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Linda SHERRY, Niamh KELLY, Richard J. MCMANUS, Kevin RATTIGAN, John BREEN
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Publication number: 20180010003Abstract: An ink composition includes water, a co-solvent, a colorant, and a modified polymer or copolymer additive. The modified polymer or copolymer additive is selected from the group consisting of i) a hydrolyzed poly(isobutylene-alt-maleic anhydride), ii) a hydrolyzed poly(maleic anhydride-alt-1-octadecene), and iii) a modified polymer or copolymer. The modified polymer or copolymer includes a repeating unit of a backbone chain, and a long chain pendant group attached to a carbon atom of the repeating unit. In the backbone chain, the long chain pendant group of the repeating unit is separated by fewer than 8 spacer carbon atoms from another long chain pendant group of an adjacent repeating unit.Type: ApplicationFiled: January 30, 2015Publication date: January 11, 2018Inventors: Sundar Vasudevan, Natalie Harvey, Richard J. McManus, Vladimir Jakubek
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Patent number: 9738804Abstract: An ink composition includes colorant, hydroxylated and non-hydroxylated co-solvents, and water. A weight percent ratio of hydroxylated to non-hydroxylated co-solvents ranges from 46:54 to about 62:38. The composition also includes an acid and a polyurethane copolymer binder. The acid is selected from the group consisting of oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The binder is formed from the polymerization of a diisocyanate and at least three diols including a first diol containing a hydrophilic stabilizing group, and a second diol having less than 8 atoms in a backbone chain between two hydroxyl groups. A mole percentage of the second diol is at least 30% of a total mole percentage of diol monomers in the binder. An acid number of the binder ranges from 50 to 75. The composition also includes lithium present in an amount ranging from about 50 to about 400 ppm.Type: GrantFiled: June 6, 2014Date of Patent: August 22, 2017Assignee: Hewlett-Packard Development Company, L.P.Inventors: Richard J. McManus, Sundar Vasudevan, Vladimir Jakubek
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Publication number: 20170166765Abstract: An ink composition includes colorant, hydroxylated and non-hydroxylated co-solvents, and water. A weight percent ratio of hydroxylated to non-hydroxylated co-solvents ranges from 46:54 to about 62:38. The composition also includes an acid and a polyurethane copolymer binder. The acid is selected from the group consisting of oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The binder is formed from the polymerization of a diisocyanate and at least three diols including a first diol containing a hydrophilic stabilizing group, and a second diol having less than 8 atoms in a backbone chain between two hydroxyl groups. A mole percentage of the second diol is at least 30% of a total mole percentage of diol monomers in the binder. An acid number of the binder ranges from 50 to 75. The composition also includes lithium present in an amount ranging from about 50 to about 400 ppm.Type: ApplicationFiled: June 6, 2014Publication date: June 15, 2017Applicant: Hewlett-Packard Development Company, L.P.Inventors: Richard J. McManus, Sundar Vasudevan, Vladimir Jakubek
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Publication number: 20170152390Abstract: An ink composition includes a colorant, a co-solvent, a surfactant system, and water. The surfactant system consists of an acid, lithium, and a non-ionic surfactant. The acid is selected from the group consisting of oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The non-ionic surfactant includes a hydrophilic head group to interact with the lithium and a hydrophobic tail to not sterically hinder formation of an anti-evaporative layer to be formed by the surfactant system. The non-ionic surfactant also excludes any ethyleneoxy groups.Type: ApplicationFiled: June 6, 2014Publication date: June 1, 2017Inventors: Sundar Vasudevan, Richard J. McManus, Vladimir Jakubek
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Publication number: 20170088735Abstract: An ink composition includes colorant, co-solvent system, acid (e.g., oleic, linoleic, undecanoic, dodecanoic, and/or tridecanoic acids), lithium, polymer as binder, and water. The co-solvent system is selected from i) from ˜9 to ˜25 wt % of sulfolane with no other co-solvent, ii) hydroxylated co-solvent, from ˜4 to ˜16 wt % of sulfolane, and at least 8 wt % of another non-hy-droxylated co-solvent; iii) hydroxylated co-solvent, from ˜7 to ˜16 wt % of sulfolane, and at least 3 wt % of the other non-hydroxylated co-solvent; and iv) a hydroxylated co-solvent and from ˜9 wt % to ˜16 wt % of sulfolane. When i) or ii) or iv) is used, at least 0.15 wt % acid and at least 200 ppm lithium are included; or when iii) is used, at least 0.25 wt % acid and at least 100 ppm lithium are included; or when iii) is used, at least 0.15 wt % acid and at least 150 ppm lithium are included.Type: ApplicationFiled: June 6, 2014Publication date: March 30, 2017Inventors: Vladimir Jakubek, Richard J. McManus, Sundar Vasudevan, Matthew Thornberry
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Patent number: 9309424Abstract: A coating for a substrate is formed by milling cationic pigment particles in the presence of a water-soluble polymer, where the water-soluble polymer acts as a binder and a dispersant for the cationic pigment particles.Type: GrantFiled: July 29, 2013Date of Patent: April 12, 2016Assignee: Hewlett-Packard Development Company, L.P.Inventors: Rhadha Sen, Richard J. McManus
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Patent number: 9193884Abstract: An ink composition includes a colorant, a co-solvent, and an acid chosen from oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The ink composition further includes lithium and water. An anti-evaporative layer forms, during uncapped non-use, at an interface between air and the ink composition in an orifice of a nozzle, thereby reducing evaporation of the water from the ink composition.Type: GrantFiled: December 22, 2011Date of Patent: November 24, 2015Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sundar Vasudevan, Richard J. McManus, Palitha Wickramanayake
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Patent number: 9187665Abstract: An ink composition for inkjet printing is disclosed herein. The ink composition includes a self-dispersed carbon black pigment with alkali metal counter ions, polyurethane, and an aqueous carrier. The aqueous carrier includes water, at least one water-soluble organic solvent, and at least one surfactant. In one embodiment, the aqueous carrier further includes an additive having a polar head group and a C8-C18 hydrocarbon tail.Type: GrantFiled: March 15, 2010Date of Patent: November 17, 2015Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sundar Vasudevan, Richard J Mcmanus, Palitha Wickramanayake
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Publication number: 20140285593Abstract: An ink composition includes a colorant, a co-solvent, and an acid chosen from oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The ink composition further includes lithium and water. An anti-evaporative layer forms, during uncapped non-use, at an interface between air and the ink composition in an orifice of a nozzle, thereby reducing evaporation of the water from the ink composition.Type: ApplicationFiled: December 22, 2011Publication date: September 25, 2014Inventors: Sundar Vasudevan, Richard J. McManus, Palitha Wickramanayake
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Publication number: 20130310504Abstract: A coating for a substrate is formed by milling cationic pigment particles in the presence of a water-soluble polymer, where the water-soluble polymer acts as a binder and a dispersant for the cationic pigment particles.Type: ApplicationFiled: July 29, 2013Publication date: November 21, 2013Applicant: Hewlett-Packard Development Company, L.P.Inventors: Rhadha Sen, Richard J. McManus
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Publication number: 20120329921Abstract: An ink composition for inkjet printing is disclosed herein. The ink composition includes a self-dispersed carbon black pigment with alkali metal counter ions, polyurethane, and an aqueous carrier. The aqueous carrier includes water, at least one water-soluble organic solvent, and at least one surfactant. In one embodiment, the aqueous carrier further includes an additive having a polar head group and a C8-C18 hydrocarbon tail.Type: ApplicationFiled: March 15, 2010Publication date: December 27, 2012Inventors: Sundar Vasudevan, Richard J Mcmanus, Palitha Wickramanayake
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Patent number: 8088860Abstract: A photo-feel coating for application to a surface of paper which is opposite that configured to receive printing, includes a binder; and polyethylene particles having first and second predetermined sizes.Type: GrantFiled: February 23, 2005Date of Patent: January 3, 2012Assignee: Hewlett-Packard Development Company, L.P.Inventors: Molly L. Hladik, Richard J. McManus
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Patent number: 7955667Abstract: An inkjet recording medium includes a substrate, a base layer, and a porous ink receiving layer. The base layer is established on at least one surface of the substrate, and the porous ink receiving layer is established on the base layer. The base layer includes calcined clay present in an amount ranging from about 25% to about 75% by dry weight.Type: GrantFiled: March 15, 2007Date of Patent: June 7, 2011Assignee: Hewlett-Packard Development Company, L.P.Inventors: Richard J Mcmanus, Silke Courtenay, Sandeep Bangaru, Steven L Webb