Patents by Inventor Zhang-Lin Zhou
Zhang-Lin Zhou 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: 20220145112Abstract: A flame-resistant print media coating composition includes water and polyurethane particles dispersed in the water. The polyurethane particles include polyurethane polymer with a polyurethane backbone. The polyurethane backbone includes urethane linkage groups associated with aliphatic phosphonium salts as well as polymeric portions.Type: ApplicationFiled: July 31, 2019Publication date: May 12, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Xiaoqi Zhou, Zhang-Lin Zhou, Or Brandstein
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Publication number: 20220145107Abstract: A flame-resistant print media coating composition includes water and polyurethane particles dispersed in the water. The polyurethane particles include a polyurethane polymer having a polyurethane backbone with urethane linkage groups coupling polymerized diisocyanates and polymerized polymeric diols along the polyurethane backbone. The polyurethane polymer in this example includes aliphatic phosphonium salt capping groups.Type: ApplicationFiled: July 31, 2019Publication date: May 12, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin Zhou, Xiaoqi Zhou, Xulong Fu
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Publication number: 20220136170Abstract: A fabric coating composition can include water, from 3 wt % to 95 wt % oxazoline reactive compound by dry weight including an oxazoline group, and from 3 wt % to 70 wt % cationic charging agent by dry weight. The fabric coating composition can have a pH from pH 2 to pH 6.Type: ApplicationFiled: July 22, 2019Publication date: May 5, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Xiaoqi Zhou, Zhang-Lin Zhou
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Publication number: 20220127787Abstract: The present disclosure describes methods of printing, textile printing systems, and printers. In one example, a method of printing can include jetting an ink composition onto a substrate, the ink composition including an evaporable solvent, a colorant, and a non-curable polymeric binder. The ink composition on the substrate can be exposed to electromagnetic radiation having a wavelength from 350 nm to 420 nm. The exposure of the ink composition can begin from 0 ms to 600 ms after jetting the ink composition. The electromagnetic radiation can heat the ink composition to evaporate a portion of the evaporable solvent from the ink composition within 5 ms to 500 ms after the beginning of the exposure.Type: ApplicationFiled: November 19, 2019Publication date: April 28, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin ZHOU, Ronal Albert ASKELAND, Or BRANDSTEIN, AIi MAHROU
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Publication number: 20220081580Abstract: An example of a dye sublimation inkjet ink includes a disperse dye colorant dispersion; a water soluble polymeric ultraviolet (UV) absorber; a co-solvent; and a balance of water. The water soluble polymeric UV absorber of the dye sublimation inkjet ink has absorption at a radiation wavelength ranging from about 360 nm to about 410 nm.Type: ApplicationFiled: February 4, 2019Publication date: March 17, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Kai-Kong Iu, Ronald A. Askeland, Zhang-Lin Zhou
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Publication number: 20220074134Abstract: A textile printing material set includes a fabric substrate and an aqueous ink composition. The aqueous ink composition includes an aqueous ink vehicle, pigment, and from 2 wt % to 15 wt % of acrylic core-shell latex particles having an acrylic core copolymer with a glass transition temperature from ?50° C. to 30° C. and an acrylic shell copolymer having a glass transition temperature from 50° C. to 130° C. The acrylic core copolymer and the acrylic shell copolymer of the acrylic core-shell latex particles in this example are present at an average weight ratio from 1:1 to 9:1.Type: ApplicationFiled: February 4, 2019Publication date: March 10, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin Zhou, Jeffrey Matthew Stubbs, Qianhan Yang
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Publication number: 20220073769Abstract: An example of an inkjet ink for textile printing includes a pigment, latex binder particles, and a liquid vehicle. The latex binder particles include: a single copolymer phase including a first carboxylic acid functional monomer and a first (meth)acrylamide functional monomer; or multiple non-crosslinked copolymer phases including at least a first copolymer phase and a second copolymer phase, wherein the latex binder particles include a second carboxylic acid functional monomer in at least one of the first and second copolymer phases and a second (meth)acrylamide functional monomer in at least one of the first and second copolymer phases.Type: ApplicationFiled: May 30, 2019Publication date: March 10, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Jeffrey M. Stubbs, Zhang-Lin Zhou, David Michael Ingle
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Publication number: 20220042243Abstract: The present disclosure describes ink compositions having a polyurethane binder. In one example, an ink composition can include water, an organic co-solvent, a colorant, and a polyurethane binder. The polyurethane binder can include polymerized prepolymer segments including a polymerized diisocyanate and a polymerized polyol, wherein the prepolymer segments terminate in isocyanate groups. The polyurethane binder can also include polymerized chain extenders connecting the polymerized prepolymer segments. The polymerized chain extenders can include a polymerized siloxane-containing diamine and a polymerized acid-containing diamine.Type: ApplicationFiled: October 1, 2019Publication date: February 10, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin ZHOU, Qianhan YANG
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Publication number: 20210388226Abstract: An example dye sublimation inkjet ink set includes a first dye sublimation inkjet ink and a second dye sublimation inkjet ink. The first dye sublimation inkjet ink includes a disperse dye colorant dispersion including a first disperse dye having absorption at a radiation wavelength ranging from about 360 nm to about 410 nm; an additive to absorb energy at the radiation wavelength ranging from about 360 nm to about 410 nm and to dissipate at least some of the absorbed energy as fluorescence; a co-solvent; and a balance of water. The additive is selected from the group consisting of a compound containing from 3 to 5 fused benzene rings and and a coumarin derivative. The second dye sublimation inkjet ink includes a disperse dye colorant dispersion including a second disperse dye having less absorption at the radiation wavelength than the first disperse dye; a co-solvent; and a balance of water.Type: ApplicationFiled: July 12, 2019Publication date: December 16, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Kai-Kong Iu, Zhang-Lin Zhou, Hector Lebron
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Patent number: 11186099Abstract: Herein is disclosed a method of transfer inkjet printing comprising jetting a radiation curable inkjet ink onto an intermediate transfer member of an inkjet printer to form an image; irradiating the radiation curable inkjet ink on the intermediate transfer member to form an at least partially cured image; and transferring the at least partially cured image to a substrate to form a printed substrate. Herein is also disclosed a transfer inkjet printing apparatus adapted, in use, to perform the method.Type: GrantFiled: September 25, 2017Date of Patent: November 30, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin Zhou, Rodney David Stramel, Gregg A. Lane, Shao-Wei Li, Brian J. Keefe
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Publication number: 20210363695Abstract: The present disclosure includes a textile printing system including a fabric substrate and an ink composition. The ink composition can include water, organic co-solvent, from 0.5 wt % to 15 wt % pigment with a dispersant associated with a surface thereof, and from 0.1 wt % to 30 wt % of polyurethane particles including sulfonated- or carboxylated-diamine groups and isocyanate-generated amine groups.Type: ApplicationFiled: November 13, 2018Publication date: November 25, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin Zhou, Qianhan Yang, Dennis Z. Guo
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Publication number: 20210363694Abstract: A fabric coating composition can include from 40 wt % to 90 wt % aqueous liquid vehicle, from 5 wt % to 50 wt % crosslinking polymer including a plurality of imine-type groups; and from 5 wt % to 50 wt % cationic polymer.Type: ApplicationFiled: December 18, 2018Publication date: November 25, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Xiaoqi Zhou, Zhang-Lin Zhou, Or Brandstein
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Publication number: 20210363373Abstract: A fabric coating composition, comprising from 2 to 50 dry parts of a crosslinking polymer, from 5 to 60 dry parts of a polymeric binder; from 2 to 30 dry parts of pigment fixation agents, parts are based on total dry content of the coating composition; a pH control agent in an amount adjusted to have a pH above 7; and an aqueous liquid vehicle is described. The coating composition is used to be applied to a fabric print medium. Also described herein are a coated fabric printable medium, a method for forming the coated fabric printable medium and a method of textile printing that includes ejecting an ink composition onto the coated fabric print medium described herein.Type: ApplicationFiled: January 11, 2019Publication date: November 25, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Xiaoqi Zhou, Zhang-Lin Zhou
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Patent number: 11180601Abstract: The present disclosure is drawn to polyurethane dispersions. In one example, a polyurethane dispersion can include a polyurethane with a polymeric ionic side chain and a polymeric non-ionic side chain. The polyurethane can be formed of polymerized monomers including a diisocyanate, a first polymeric diol, and a second polymeric diol. The first polymeric diol can include a first polymer chain replacing a hydrogen atom of a thiol group of a 1-thioglycerol molecule. The first polymer chain can include a block of a polymerized ionic group-containing vinyl monomer. The second polymeric diol can include a second polymer chain replacing a hydrogen atom of a thiol group of a 1-thioglycerol molecule. The second polymer chain can include a block of a polymerized non-ionic vinyl monomer, and the second polymer chain can be devoid of ionic groups.Type: GrantFiled: October 19, 2017Date of Patent: November 23, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin Zhou, Shao-Wei Li, Gregg A. Lane
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Publication number: 20210324575Abstract: A pre-treatment composition comprising water, reactive crosslinking agents and polyurethane particles polyurethane particles including sulfonated- or carboxylated-diamine groups, isocyanate-generated amine groups, and polyalkylene oxide side-chains. Also disclosed is a pre-treated printable medium comprising a base substrate and the pre-treatment composition, such as described herein, that is applied over, at least, one side of the base substrate, forming an image-receiving surface. Also disclosed is the method for making such printable medium.Type: ApplicationFiled: December 17, 2019Publication date: October 21, 2021Inventors: Zhang-Lin Zhou, Xiaoqi Zhou
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Publication number: 20210324230Abstract: A coating composition comprising water, water-soluble cationic phosphonium salts and polyurethane particles including sulfonated- or carboxylated-diamine groups, isocyanate-generated amine groups, and polyalkylene oxide side-chains. Also disclosed is a coated printable medium, with an image-side and a back-side, comprising a base substrate and the coating composition, such as described herein, that is applied over, at least, one side of the base substrate, forming an image-receiving layer. Also disclosed is the method for making such printable medium.Type: ApplicationFiled: December 17, 2019Publication date: October 21, 2021Inventors: Xiaoqi Zhou, Zhang-Lin Zhou
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Publication number: 20210310189Abstract: A textile printing system can include an ink composition and a fabric substrate. The ink composition can include water, organic co-solvent, from 0.5 wt % to 10 wt % pigment, wherein the pigment has a dispersant associated with a surface thereof, and from 0.5 wt % to 20 wt % latex particles including styrene (meth)acrylic polymer having an acid number from 0 mg KOH/g to 60 mg KOH/g and a glass transition temperature from ?30° C. to 50° C. The latex particles are uncrosslinked.Type: ApplicationFiled: November 12, 2018Publication date: October 7, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin ZHOU, Jeff STUBBS, Qianhan YANG
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Publication number: 20210309874Abstract: A textile printing system include an ink composition and a fabric substrate. The ink composition includes from 50 wt % to 95 wt % water, from 4 wt % to 49 wt % organic co-solvent, from 0.5 wt % to 12 wt % pigment with a dispersant associated with a surface thereof, and from 0.5 wt % to 20 wt % of a polyurethane particles. The polyurethane particles include a polyurethane strand with a polyurethane backbone with a pendant reactive (meth)acrylate-containing diol group and terminal end cap groups. The terminal end cap groups independently are selected from a monoalcohol, a monoamine, an acrylate, a methacrylate, or a combination thereof.Type: ApplicationFiled: December 14, 2018Publication date: October 7, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin ZHOU, Rodney David STRAMEL, George SARKIAN
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Publication number: 20210309882Abstract: A coating composition can include water and polyurethane particles including sulfonated- or carboxylated-diamine groups, isocyanate-generated amine groups, and polyalkylene oxide side-chains.Type: ApplicationFiled: December 18, 2018Publication date: October 7, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin Zhou, Xiaoqi ZHOU
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Publication number: 20210309873Abstract: A textile printing system includes a fabric substrate, an inkjet printhead in fluid communication with a reservoir containing a UV-curable ink composition to eject a UV-curable ink composition, and a UV-curing energy source positioned to cure the UV-curable ink composition upon being ejected onto the fabric substrate. The UV-curable ink composition includes from 50 wt % to 95 wt % water, from 4 wt % to 49 wt % organic co-solvent, from 0.5 wt % to 12 wt % pigment, wherein the pigment has a dispersant associated with a surface thereof, and from 0.5 wt % to 20 wt % of a polyurethane particles. The polyurethane particles include a polyurethane strand including a polyurethane backbone with a pendant reactive (meth)acrylate-containing diol group and terminal end cap groups, and the terminal end cap groups are independently selected from a monoalcohol, a monoamine, an acrylate, a methacrylate, or a combination thereof, for example.Type: ApplicationFiled: December 14, 2018Publication date: October 7, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin ZHOU, Gregg A. LANE