Patents by Inventor Silke Courtenay
Silke Courtenay 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: 11365325Abstract: The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a crosslinkable polyurethane dispersion. The primer competitions can also include a cationic salt and water.Type: GrantFiled: July 1, 2019Date of Patent: June 21, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Tao Chen, Haigang Chen, Silke Courtenay
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Patent number: 11034856Abstract: The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a polyurethane dispersion. The primer competitions can also include a cationic salt and water.Type: GrantFiled: August 28, 2015Date of Patent: June 15, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Tao Chen, Haigang Chen, Silke Courtenay
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Patent number: 10906343Abstract: The present disclosure is drawn to a fabric print medium including a fabric substrate, a primary coating layer, and a secondary coating layer. The fabric substrate can have a first side and a second side. The primary coating layer can be applied to the first side of the fabric substrate at a thickness from 2 ?m to 250 ?m with a dry coat weight ranging from about 5 gsm to about 300 gsm and can include a polymeric binder and filler particles. The secondary coating layer can be applied to the primary coating layer at a thickness from 1 ?m to 50 ?m with a dry coat weight ranging from 0.5 gsm to 50 gsm and can include a first crosslinked polymeric network and a second crosslinked polymeric network. The primary coating layer can be two or more times thicker than the secondary coating layer.Type: GrantFiled: May 12, 2016Date of Patent: February 2, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Xiaoqi Zhou, Francois K. Pirayesh, Silke Courtenay
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Patent number: 10589559Abstract: The present disclosure is drawn to image-receiving compositions that can include an aqueous liquid vehicle and solids dispersed in the aqueous liquid vehicle. The solids can include from 60 wt % to 94 wt % pigment filler, from 0.5 wt % to 15 wt % multivalent salt, from 1 wt % to 10 wt % water-soluble polymer, from 2 wt % to 15 wt % latex, and from 2 wt % to 15 wt % synthetic micronized cellulose. The synthetic micronized cellulose can have a bulk density of from 150 grams per liter to 200 grams per liter, and a surface area of 0.1 m2/g to 10 m2/g.Type: GrantFiled: September 13, 2016Date of Patent: March 17, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventors: Tao Chen, Silke Courtenay, Bor-Jiunn Niu
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Publication number: 20190322895Abstract: The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a crosslinkable polyurethane dispersion. The primer competitions can also include a cationic salt and water.Type: ApplicationFiled: July 1, 2019Publication date: October 24, 2019Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: BOR-JIUNN NIU, TAO CHEN, HAIGANG CHEN, SILKE COURTENAY
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Patent number: 10414189Abstract: The present disclosure is drawn to a coated print medium, a method of preparing a print medium, and a printing system. The coated print medium can comprise a substrate and a coating applied to the substrate. The coating can comprise, by dry weight percent, 5 wt % to 30 wt % of a polymeric binder, 20 wt % to 50 wt % of a cationic latex, 5 wt % to 15 wt % of a multivalent cationic salt, and 1 wt % to 20 wt % of an optical brightener; and 5 wt % to 20 wt % of a cationic polyamine.Type: GrantFiled: April 12, 2018Date of Patent: September 17, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Silke Courtenay, John Gardner
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Publication number: 20190143729Abstract: The present disclosure is drawn to image-receiving compositions that can include an aqueous liquid vehicle and solids dispersed in the aqueous liquid vehicle. The solids can include from 60 wt % to 94 wt % pigment filler, from 0.5 wt % to 15 wt % multivalent salt, from 1 wt % to 10 wt % water-soluble polymer, from 2 wt % to 15 wt % latex, and from 2 wt % to 15 wt % synthetic micronized cellulose. The synthetic micronized cellulose can have a bulk density of from 150 grams per liter to 200 grams per liter, and a surface area of 0.1 m2/g to 10 m2/g.Type: ApplicationFiled: September 13, 2016Publication date: May 16, 2019Applicant: Hewlett-Packard Development Company, L.P.Inventors: Tao CHEN, Silke COURTENAY, Bor-Jiunn NIU
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Patent number: 10286711Abstract: A coated print medium can include a base stock having a basis weight of 35 gsm to 250 gsm, and a coating layer applied to the base stock at from 1 gsm to 50 gsm by dry weight. The base stock can include from 65 wt % to 95 wt % cellulose fiber with 80 wt % to 100 wt % being chemical pulp, and from 5 wt % to 35 wt % inorganic pigment filler. The coating layer can include inorganic pigment particles having an average equivalent spherical diameter from 0.2 ?m to 3.5 ?m; a fixative agent including metal salt, cationic amine polymer, quaternary ammonium salt, quaternary phosphonium salt, or mixture thereof; and a polymer blend including water soluble polymer and water dispersible polymer having a Zeta potential greater than ?40 mV, wherein a weight ratio water soluble polymer to water dispersible polymer is from 1:25 to 1:1.Type: GrantFiled: December 10, 2015Date of Patent: May 14, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Tao Chen, Xiaoqi Zhou, Xulong Fu, Silke Courtenay
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Patent number: 10272709Abstract: The present disclosure is drawn to coated print media, a method of preparing print media, and a printing system. The coated print media can comprise a substrate and a coating applied to the substrate. The coating can include, by dry weight, 5 wt % to 60 wt % of a polymeric binder having a Tg below 50 C, 10 wt % to 60 wt % of cationic latex having a Tg from 50 C to 130 C, 5 wt % to 30 wt % of a multivalent cationic salt, and 2 wt % to 25 wt % of a high density polyethylene wax.Type: GrantFiled: January 23, 2015Date of Patent: April 30, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Tao Chen, Haigang Chen, Haowen Yu, Silke Courtenay
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Publication number: 20190032275Abstract: The present disclosure is drawn to a fabric print medium including a fabric substrate, a primary coating layer, and a secondary coating layer. The fabric substrate can have a first side and a second side. The primary coating layer can be applied to the first side of the fabric substrate at a thickness from 2 ?m to 250 ?m with a dry coat weight ranging from about 5 gsm to about 300 gsm and can include a polymeric binder and filler particles. The secondary coating layer can be applied to the primary coating layer at a thickness from 1 ?m to 50 ?m with a dry coat weight ranging from 0.5 gsm to 50 gsm and can include a first crosslinked polymeric network and a second crosslinked polymeric network. The primary coating layer can be two or more times thicker than the secondary coating layer.Type: ApplicationFiled: May 12, 2016Publication date: January 31, 2019Applicant: Hewlett-Packard Development Company, L.P.Inventors: Xiaoqi Zhou, Francois K. PIRAYESH, Silke COURTENAY
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Patent number: 10166806Abstract: The present disclosure is drawn to a coated print medium, a method of preparing a print medium, and a printing system. The coated print medium can comprise a substrate and a coating applied to the substrate. The coating can comprise, by solids or dry weight, 5 wt % to 30 wt % of a polymeric binder, 20 wt % to 50 wt % of a cationic latex, 5 wt % to 15 wt % of a multivalent cationic salt, and 1 wt % to 20 wt % of a sulfonic acid- or sulfonate-containing stilbene optical brightener.Type: GrantFiled: December 24, 2014Date of Patent: January 1, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Silke Courtenay, John Gardner
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Publication number: 20180312717Abstract: The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a polyurethane dispersion. The primer competitions can also include a cationic salt and water.Type: ApplicationFiled: August 28, 2015Publication date: November 1, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Tao Chen, Haigang Chen, Silke Courtenay
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Publication number: 20180281497Abstract: A coated print medium can include a base stock having a basis weight of 35 gsm to 250 gsm, and a coating layer applied to the base stock at from 1 gsm to 50 gsm by dry weight. The base stock can include from 65 wt % to 95 wt % cellulose fiber with 80 wt % to 100 wt % being chemical pulp, and from 5 wt % to 35 wt % inorganic pigment filler. The coating layer can include inorganic pigment particles having an average equivalent spherical diameter from 0.2 ?m to 3.5 ?m; a fixative agent including metal salt, cationic amine polymer, quaternary ammonium salt, quaternary phosphonium salt, or mixture thereof; and a polymer blend including water soluble polymer and water dispersible polymer having a Zeta potential greater than ?40 mV, wherein a weight ratio water soluble polymer to water dispersible polymer is from 1:25 to 1:1.Type: ApplicationFiled: December 10, 2015Publication date: October 4, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Tao Chen, Xiaoqi Zhou, Xulong Fu, Silke Courtenay
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Publication number: 20180229529Abstract: The present disclosure is drawn to a coated print medium, a method of preparing a print medium, and a printing system. The coated print medium can comprise a substrate and a coating applied to the substrate. The coating can comprise, by dry weight percent, 5 wt % to 30 wt % of a polymeric binder, 20 wt % to 50 wt % of a cationic latex, 5 wt % to 15 wt % of a multivalent cationic salt, and 1 wt % to 20 wt % of an optical brightener; and 5 wt % to 20 wt % of a cationic polyamine.Type: ApplicationFiled: April 12, 2018Publication date: August 16, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Silke Courtenay, John Gardner
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Patent number: 9981497Abstract: The present disclosure is drawn to a coated print medium, a method of preparing a print medium, and a printing system. The coated print medium can comprise a substrate and a coating applied to the substrate. The coating can comprise, by dry weight percent, 5 wt % to 30 wt % of a polymeric binder, 20 wt % to 50 wt % of a cationic latex, 5 wt % to 15 wt % of a multivalent cationic salt, and 1 wt % to 20 wt % of an optical brightener; and 5 wt % to 20 wt % of a cationic polyamine.Type: GrantFiled: December 24, 2014Date of Patent: May 29, 2018Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Silke Courtenay, John Gardner
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Patent number: 9962983Abstract: A printable recording media containing a substrate; a pre-coat layer including more than about 60 wt % of one or more inorganic pigments by total dry weight of the pre-coat layer; a topcoating layer including more than about 60 wt % of one or more inorganic pigments; up to 25 wt % of binders and up to about 5 wt % of a combination of natural and synthetic rheology modifiers, by total weight of the top-coating layer, wherein the ratio of the amount of natural rheology modifiers to the amount of synthetic rheology modifiers is from about 90:10 to about 50:50. Also disclosed herein is a method for making such printable recording media.Type: GrantFiled: March 31, 2014Date of Patent: May 8, 2018Assignee: Hewlett-Packard Development Company, L.P.Inventors: Lokendra Pal, Jason Swei, Rajasekar Vaidyanathan, Silke Courtenay
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Patent number: 9962984Abstract: The present disclosure is drawn to a coated print medium, a method of preparing a print medium, and a printing system. The coated print medium can comprise a substrate and a coating applied to the substrate. The coating can comprise, by dry weight, 5 wt % to 30 wt % of a polymeric binder, 20 wt % to 50 wt % of a cationic latex, 5 wt % to 15 wt % of a multivalent cationic salt, 1 wt % to 20 wt % of an optical brightener, and 1 wt % to 10 wt % of an anti-quenching agent selected from the group consisting of a sulfonated diphenyloxide, polyvinyl pyrrolidone, and combination thereof. In this example, if the polymeric binder is polyvinyl pyrrolidone, the anti-quenching agent is the sulfonated diphenyloxide.Type: GrantFiled: December 24, 2014Date of Patent: May 8, 2018Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Silke Courtenay, John Gardner
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Patent number: 9920481Abstract: A lightweight digital printing medium has a basis weight of less than 100 grams per square meter and includes a base paper. The base paper includes a fiber mixture of hardwood pulp and softwood pulp where at least 5% by weight of total fiber in the fiber mixture is bleached, chemi-thermo-mechanical pulp. An internal sizing agent for neutral or alkaline conditions and a wet-strength agent that is a thermosetting resin are mixed with the fiber mixture. An amount of the wet-strength agent added to the fiber mixture is at least 0.1% total dry weight of the base paper.Type: GrantFiled: April 28, 2014Date of Patent: March 20, 2018Assignee: Hewlett-Packard Development Company, L.P.Inventors: Tao Chen, Xulong Fu, Thomas Roger Oswald, Silke Courtenay, Christopher Arend Toles
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Patent number: 9873279Abstract: A printable recording media containing a substrate and an ink receiving layer including an aqueous mixture of about 50 to about 99 wt % of an UV curable polyurethane dispersion and about 1 to about 50 wt % of a photo-initiator by total dry weight of said ink receiving layer. Also disclosed herein a method for making the printable recording media.Type: GrantFiled: July 30, 2014Date of Patent: January 23, 2018Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bor-Jiunn Niu, Tao Chen, Silke Courtenay
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Patent number: 9855780Abstract: A print medium having a base substrate including a blend of cellulosic fibers, a sizing material present in an effective amount from about 0 Kg/Ton of the print medium to about 1 Kg/Ton of the print medium, and a multivalent cation salt present in a synergistic amount from about 4 Kg/Ton of the print medium to about 25 Kg/Ton of the print medium.Type: GrantFiled: January 30, 2014Date of Patent: January 2, 2018Assignee: Hewlett-Packard Development Company, L.P.Inventors: John L. Stoffel, Jr., Silke Courtenay, Thomas Roger Oswald