Patents by Inventor Xiaoru Wang

Xiaoru Wang 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).

  • Publication number: 20040186199
    Abstract: This invention relates to an ink jet ink composition comprising polymer dye particles, said polymer dye particles comprising a polymer phase associated with a water-insoluble dye, wherein said polymer phase comprises at least one halogenated vinyl monomer. It further relates to methods of printing using the ink jet ink composition.
    Type: Application
    Filed: March 20, 2003
    Publication date: September 23, 2004
    Applicant: Eastman Kodak Company
    Inventors: Xiaoru Wang, Mary C. Brick, Huijuan D. Chen, Ricky G. Frazier
  • Patent number: 6789891
    Abstract: An ink jet printing method, having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element having a support having thereon a fusible, porous, image-receiving layer of non-porous polymeric particles having a core/shell structure of a polymeric, hydrophobic core covered with a polymeric, hydrophobic shell, the Tg of the polymeric, hydrophobic core being at least about 25° C. higher than the Tg of the polymeric, hydrophobic shell; C) loading the printer with an ink jet ink composition of water, a humectant, and a water-soluble dye; and D) printing on the overcoat layer using the inkjet ink in response to the digital data signals.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: September 14, 2004
    Assignee: Eastman Kodak Company
    Inventors: Xiaoru Wang, Hwei-Ling Yau, Wendy S. Krzemien
  • Patent number: 6777041
    Abstract: An ink jet recording element having a support having thereon a fusible, porous, image-receiving layer having non-porous polymeric particles having a core/shell structure having a polymeric, hydrophobic core covered with a polymeric, hydrophobic shell, the Tg of the polymeric, hydrophobic core being at least about 25° C. higher than the Tg of the polymeric, hydrophobic shell.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: August 17, 2004
    Assignee: Eastman Kodak Company
    Inventors: Hwei-Ling Yau, Xiaoru Wang, Wendy S. Krzemien
  • Patent number: 6773102
    Abstract: An ink jet printing method, comprising the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element comprising a non-absorbing substrate; C) loading the printer with an ink jet ink composition comprising an aqueous ink jet ink composition comprising: a pigment, a polymer binder containing less than 25% of hydrophilic monomer by weight of the total polymer, which is dispersible but insoluble in aqueous media, at least one surfactant, and a humectant; and D) printing on the ink jet recording element accompanied by a heating step using the ink jet ink composition in response to the digital data signals.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: August 10, 2004
    Assignee: Eastman Kodak Company
    Inventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier
  • Patent number: 6764173
    Abstract: An ink jet printing method, comprising the steps of A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element; C) loading the printer with an ink jet ink composition including an aqueous ink jet ink composition including: a pigment, a polymer latex containing at least one halogenated vinyl monomer, at least one surfactant, and a humectant; and D) printing on the ink jet recording element accompanied by a heating step using the ink jet ink composition in response to the digital data signals.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: July 20, 2004
    Assignee: Eastman Kodak Company
    Inventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier
  • Publication number: 20040127639
    Abstract: Composite colorant polymer particles having a colorant phase and a polymer phase, said polymer phase of said particles being formed in the presence of said colorant in situ using an emulsion polymerization process wherein a portion of an addition polymerization initiator consisting essentially of an initiator dissolved in a solvent is added to an aqueous colorant mixture before adding a monomer mixture to the colorant mixture in a continuous process, the dispersion of composite colorant polymer particles being stable as defined by said particles not flocculating for up to 20 minutes when a dispersion containing said particles is added to acetone at a 1% by weight concentration; wherein the colorant mixture consists essentially of a colorant, a dispersant or surfactant and water.
    Type: Application
    Filed: September 18, 2003
    Publication date: July 1, 2004
    Inventors: Xiaoru Wang, David Erdtmann, Yongcai Wang, Karen J. Klingman, David E. Decker
  • Publication number: 20040090512
    Abstract: An ink jet printing method having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element having a support having thereon a fusible, porous, image-receiving layer containing at least two types of hydrophobic polymer particles having different glass transition temperatures, the first type of hydrophobic polymer particles having a Tg higher than about 60° C. that is substantially monodisperse and the second type of hydrophobic polymer particles having a Tg lower than about 25° C.; C) loading the printer with an ink jet ink; and D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals.
    Type: Application
    Filed: November 7, 2002
    Publication date: May 13, 2004
    Applicant: Eastman Kodak Company
    Inventors: Hwei-Ling Yau, David E. Decker, Xiaoru Wang, Wendy S. Krzemien
  • Publication number: 20040090514
    Abstract: An ink jet recording element having a support having thereon a fusible, porous, image-receiving layer of at least two types of hydrophobic polymer particles having different glass transition temperatures, the first type of hydrophobic polymer particles having a Tg higher than about 60° C. that is substantially monodisperse and the second type of hydrophobic polymer particles having a Tg lower than about 25° C.
    Type: Application
    Filed: November 7, 2002
    Publication date: May 13, 2004
    Applicant: Eastman Kodak Company
    Inventors: Hwei-Ling Yau, David E. Decker, Xiaoru Wang, Wendy S. Krzemien
  • Publication number: 20040082687
    Abstract: An ink composition of an organic solvent and composite colorant polymer particles, wherein the composite colorant polymer particles have a colorant phase and a polymer phase, the polymer phase of the particles being formed in situ in the presence of the colorant, the composite colorant polymer particles having a mean particle size of less than about 200 nm.
    Type: Application
    Filed: October 16, 2003
    Publication date: April 29, 2004
    Applicant: Eastman Kodak Company
    Inventors: Xiaoru Wang, David B. Bailey, Yongcai Wang, Edward Schofield
  • Publication number: 20040068029
    Abstract: This invention relates to an ink jet ink composition comprising water, a humectant, and polymer-dye particles, wherein said polymer-dye particles comprise a colorant phase containing a water insoluble dye, and a polymer phase, said particles being associated with a water-dispersible polymeric co-stabilizer. This invention further relates to an ink jet printing method utilizing the above ink jet ink composition.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 8, 2004
    Applicant: Eastman Kodak Company
    Inventors: Xiaoru Wang, Huijuan D. Chen, James A. Reczek
  • Publication number: 20040063807
    Abstract: An aqueous ink jet ink composition including a pigment, a polymer latex containing at least one halogenated vinyl monomer, at least one surfactant, and a humectant. An ink and receiver combination for a non-absorbing substrate is also disclosed.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 1, 2004
    Inventors: Xiaoru Wang, Huijuan D. Chen, Ricky G. Frazier, Jin-Shan Wang
  • Publication number: 20040061753
    Abstract: An aqueous inkjet ink and receiver combination wherein the aqueous inkjet ink comprises: a pigment; a polymer binder containing less than 25% of a hydrophilic monomer by weight of the total polymer; the binder being dispersible but insoluble in aqueous media; at least one surfactant; a humectant; and wherein the receiver comprises a non-absorbing substrate.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 1, 2004
    Inventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier, Jin-Shan Wang
  • Publication number: 20040061754
    Abstract: An ink jet printing method, comprising the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element comprising a non-absorbing substrate; C) loading the printer with an ink jet ink composition comprising an aqueous ink jet ink composition comprising: a pigment, a polymer binder containing less than 25% of hydrophilic monomer by weight of the total polymer, which is dispersible but insoluble in aqueous media, at least one surfactant, and a humectant; and D) printing on the ink jet recording element accompanied by a heating step using the ink jet ink composition in response to the digital data signals.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 1, 2004
    Applicant: Eastman Kodak Company
    Inventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier
  • Publication number: 20040061755
    Abstract: An ink jet printing method, comprising the steps of A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element; C) loading the printer with an ink jet ink composition comprising an aqueous ink jet ink composition comprising: a pigment, a polymer latex containing at least one halogenated vinyl monomer, at least one surfactant, and a humectant; and D) printing on the ink jet recording element accompanied by a heating step using the ink jet ink composition in response to the digital data signals.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 1, 2004
    Applicant: Eastman Kodak Company
    Inventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier
  • Publication number: 20040059037
    Abstract: The present invention relates to a splayed material comprising a layered material splayed with a particle having a diameter equal to or less than 3 micrometers. Another embodiment of the invention includes an article comprising a matrix and a layered material splayed with a polymeric particles dispersed in a medium. The invention also relates to methods for preparing these materials via mixing, milling and emulsifying a solvent borne polymer with a surfactant. A further method describes a method for preparing a nanocomposite from a splayant particle prepared by combining an emulsion polymerization monomer and a surfactant dispersible in a medium wherein the monomer is not dispersible in the medium.
    Type: Application
    Filed: September 25, 2002
    Publication date: March 25, 2004
    Applicant: Eastman Kodak Company
    Inventors: Jin-Shan Wang, Xiaoru Wang, Samuel Chen, Thomas N. Blanton
  • Patent number: 6692123
    Abstract: An inkjet printing method having the steps of: I) providing an ink jet printer that is responsive to digital data signals; II) loading the printer with a porous ink jet recording element having a substrate having thereon a porous image-receiving layer having a) inorganic particles encapsulated with an organic polymer having a Tg of less than about 100° C.; and b) particles having a mean particle size of up to about 5 &mgr;m; III) loading the printer with an inkjet ink composition; and IV) printing on the image-receiving layer using the ink jet ink composition in response to the digital data signals.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: February 17, 2004
    Assignee: Eastman Kodak Company
    Inventors: Elizabeth A. Gallo, Sridhar Sadasivan, Xiaoru Wang
  • Patent number: 6689431
    Abstract: An ink jet recording element comprising a substrate having thereon a porous image-receiving layer having a) organic particles encapsulated with an organic polymer having a Tg of less than about 100° C.; and b) water-insoluble, cationic, polymeric particles.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: February 10, 2004
    Assignee: Eastman Kodak Company
    Inventors: Sridhar Sadasivan, Elizabeth A. Gallo, Xiaoru Wang
  • Patent number: 6686001
    Abstract: An ink jet printing method having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet recording element having a substrate having thereon a porous image-receiving layer of a) organic particles encapsulated with an organic polymer having a Tg of less than about 100 ° C.; and b) water-insoluble, cationic, polymeric particles; C) loading the printer with an ink jet ink composition; and D) printing on the image-receiving layer using the inkjet ink composition in response to the digital data signals.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: February 3, 2004
    Assignee: Eastman Kodak Company
    Inventors: Elizabeth A. Gallo, Sridhar Sadasivan, Xiaoru Wang
  • Patent number: 6677008
    Abstract: An ink jet recording element having a substrate having thereon an image-receiving layer of a filler and coated particles of a polymeric hard core-polymeric soft shell, the Tg of the polymeric hard core material being greater than about 60° C., the Tg of the polymeric soft shell material being less than about 100° C., and the filler being present in the image-receiving layer in an amount of from about 50 to about 95% by weight, the substrate being paper, resin-coated paper, synthetic paper, impregnated paper, cellulose acetate or a polyester film.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: January 13, 2004
    Assignee: Eastman Kodak Company
    Inventors: Tienteh Chen, Lixin Chu, Sridhar Sadasivan, Elizabeth A. Gallo, Xiaoru Wang
  • Patent number: 6660449
    Abstract: An imaging member, such as a negative-working printing plate or on-press cylinder, comprises latex polymer-carbon black composite particles. Such imaging members can be prepared with a hydrophilic imaging layer comprised of a heat-sensitive hydrophilic polymer having ionic moieties and the latex polymer-carbon black composite particles as a photothermal conversion material. The latex polymer-carbon black composite particles can be formulated in water or water-miscible solvents without agglomeration with other components such as charged polymers.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: December 9, 2003
    Assignee: Eastman Kodak Company
    Inventors: Shiying Zheng, Xiaoru Wang, Jeffrey W. Leon, Edward Schofield