Patents by Inventor Huijuan D. Chen
Huijuan D. Chen 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: 8480199Abstract: A method of printing with an inkjet printer, the method includes moving the carriage along a first carriage scan direction while the second drop ejector array ejects drops of anti-curl solution onto the portion of recording medium providing a delay time that is greater than 15 milliseconds after the second drop ejector ejects drops of anti-curl solution at a given location on the portion of recording medium and before printing with the first drop ejector array moving the carriage along a second carriage scan direction while the first drop ejector array ejects drops of ink in an image-wise fashion onto the given location of the portion of recording medium.Type: GrantFiled: November 19, 2010Date of Patent: July 9, 2013Assignee: Eastman Kodak CompanyInventors: Huijuan D. Chen, James A. Reczek, Richard P. Szajewski, Douglas W. Couwenhoven, Richard C. Reem, Richard A. Dibiase
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Publication number: 20120127228Abstract: An inkjet printer includes a printhead including at least a first drop ejector array and a second drop ejector array: a printing region; a carriage for moving the printhead in a carriage scan direction along the printing region; an ink supply that is fluidically connected to the first drop ejector array; and an anti-curl solution supply that is fluidically connected to the second drop ejector array, wherein the first drop ejector array is configured to print ink at a given location of the printing region alter a delay time at least 15 milliseconds relative to when the second drop ejector array ejects anti-curl solution at the given location of the printing region.Type: ApplicationFiled: November 19, 2010Publication date: May 24, 2012Inventors: Huijuan D. Chen, James A. Reczek
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Publication number: 20120127226Abstract: A method of printing with an inkjet printer, the method includes a) providing a printhead including at least first drop ejector array and a second drop ejector array; b) providing a carriage for moving the printhead along a printing region of the inkjet printer; c) providing an ink supply that is fluidically connected to the first drop ejector array; d) providing an anti-curl solution supply that is fluidically connected to the second drop ejector array; e) providing a controller for controlling the printing operations of the printer; f) advancing a portion of recording medium into the printing region; g) moving the carriage along a first carriage scan direction while the second drop ejector array ejects drops of anti-curl solution onto the portion of recording medium that is in the printing region; h) providing a delay time that is greater than 15 milliseconds after the second drop ejector ejects drops of anti-curl solution at a given location on the portion of recording medium; i) moving the carriage alongType: ApplicationFiled: November 19, 2010Publication date: May 24, 2012Inventors: Huijuan D. Chen, James A. Reczek, Richard P. Szajewski, Douglas W. Couwenhoven, Richard C. Reem, Richard A. Dibiase
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Patent number: 7381755Abstract: 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: GrantFiled: September 27, 2002Date of Patent: June 3, 2008Assignee: Eastman Kodak CompanyInventors: Xiaoru Wang, Huijuan D. Chen, Ricky G. Frazier, Jin-Shan Wang
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Patent number: 7317042Abstract: 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: GrantFiled: October 4, 2002Date of Patent: January 8, 2008Assignee: Eastman Kodak CompanyInventors: Xiaoru Wang, Huijuan D. Chen, James A. Reczek
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Patent number: 7160933Abstract: This invention relates to an ink composition (and a method of printing therewith) comprising water, a humectant, and polymer-dye particles, wherein said polymer-dye particles comprise a colorant phase containing a water insoluble dye of formula (I), and a polymer phase, said particles being associated with a co-stabilizer wherein R1 is a substituent as described in the application; R2 is a substituent as described in the application; R3 has a Pi of 0 to 1.5; and R4 has a Pi of greater than or equal to 0.6.Type: GrantFiled: March 20, 2003Date of Patent: January 9, 2007Assignee: Eastman Kodak CompanyInventors: Joan C. Potenza, Charles E. Heckler, Xiaoru Wang, Huijuan D. Chen
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Patent number: 7077516Abstract: An ink jet printing method, including the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading said printer with an ink jet recording element, having a non-absorbing substrate; C) loading said printer with an ink jet ink composition having an aqueous ink jet ink composition comprising: a pigment; a heat sensitive ionomer; at least one surfactant; and a humectant; wherein the ionomer is a charged polymer having at least 5 mol % of the recurring units negatively or positively charged, and D) printing on said ink jet recording element accompanied by a heating step using said ink jet ink composition in response to said digital data signals.Type: GrantFiled: March 26, 2003Date of Patent: July 18, 2006Assignee: Eastman Kodak CompanyInventors: Huijuan D. Chen, Shiying Zheng, Ricky G. Frazier
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Patent number: 7025449Abstract: The invention relates to a method of preparing a printing plate includes ink-jet printing an oleophilic image on a surface of a support by applying to the support an aqueous solution or aqueous colloidal dispersion of a polymer having water-solubilising groups wherein the water-solubilising groups interact with the surface of the support thereby binding the polymer to the support and rendering the polymer insoluble, wherein the aqueous solution or aqueous colloidal dispersion of polymer comprises pigment particles dispersed therein. The invention further relates to a composition suitable for the preparation of a printing plate by inkjet printing including an aqueous solution or aqueous colloidal dispersion of a polymer having water-solubilising groups characterised in that said aqueous solution or aqueous colloidal dispersion further includes pigment particles dispersed therein.Type: GrantFiled: July 28, 2003Date of Patent: April 11, 2006Assignee: Eastman Kodak CompanyInventors: Michael J. Simons, Huijuan D. Chen
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Ink set composition, and an apparatus and method of forming images having reduced gloss differential
Patent number: 6953244Abstract: An ink set composition, an apparatus, and a method of providing an image on a receiver are provided. The method includes operating a printhead having a first segment that applies a gloss matching fluid to the non-imaged area of the printed area of the image and a second segment that applies an ink set having at least one color to the imaged area of the printed area of the image, wherein the ink set has a predetermined minimum gloss value (GVmin) and a maximum gloss value (GVmax), and the gloss matching fluid has a predetermined gloss value (GVGMF), wherein the predetermined gloss value GVGMF satisfying the following condition: 0.1 GVmin?GVGMF ?1.5 GVmax, wherein GVmin and GVmaxare predetermined gloss values calculated according to the following equations: GVmin=MIN(GV1, GV2, . . . , GVi, . . . , GVn) GVmax=MAX(GV1, GV2, . . . , GVi, . . . , GVn) where, i is a variable which identifies a certain color patch used in the evaluation, and n is the total number of color patches used in the evaluation.Type: GrantFiled: November 22, 2002Date of Patent: October 11, 2005Assignee: Eastman Kodak CompanyInventors: Huijuan D. Chen, Gang C. Han-Adebekun -
Patent number: 6908186Abstract: An aqueous inkjet ink including: a pigment; a water-soluble heat sensitive ionomer; at least one surfactant; and a humectant; wherein the ionomer is a charged polymer having at least 15 mole % of the recurring units negatively or positively charged.Type: GrantFiled: March 26, 2003Date of Patent: June 21, 2005Assignee: Eastman Kodak CompanyInventors: Shiying Zheng, Huijuan D. Chen, Ricky G. Frazier
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Patent number: 6908188Abstract: An ink jet ink set and recording element combination including: A) a porous ink jet recording element having a 60° specular gloss of at least about 30; and B) a pigment based ink jet ink set having at least two inks; wherein the RGD value is less than 40% when 60° is used as the specular angle and the RGD value is calculated according to Equation (A): RGD ? ? ? % = ? ? ? I = 1 N ? ? Gloss ? ( Imaged ? ? ? Areas ) I - Gloss ? ( Non ? ? ? Imaged ? ? ? Areas ) ? ? I = 1 N ? Gloss ? ( Imaged ? ? ? Areas ) I Equation ? ? ? ( A ) Where I is a variable which identifies a certain color patch used in the evaluation, N is the total number of color patches used in the evaluation.Type: GrantFiled: May 7, 2004Date of Patent: June 21, 2005Assignee: Eastman Kodak CompanyInventors: James A. Reczek, Gang C. Han-Adebekun, Huijuan D. Chen
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Patent number: 6878197Abstract: A color set for forming an ink jet image comprising: at least two color inks, each ink comprising a carrier and a pigment; wherein the Relative Gloss Variability (RGV) (Equation A) among inks is less than 10%; when 60° is used as the specular angle. RGV ? ( % ) = ? I = 1 N ? ? ( Gloss ? ( Imaged ? ? ? Area ) I - AG ) ? AG N Where AG = ? I = 1 N ? Gloss ? ( Imaged ? ? ? Area ) I N Equation ? ? ? ( A ) I is a variable which identifies a certain color patch used in the evaluation, N is the total number of color patches used in the evaluation.Type: GrantFiled: December 28, 2001Date of Patent: April 12, 2005Assignee: Eastman Kodak CompanyInventors: Huijuan D. Chen, Gang C. Han-Adebekun, Larry P. Seaman
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Patent number: 6867251Abstract: This invention relates to a process for making polymer-dye particles comprising, in order: I) forming a colorant mixture comprising a water insoluble dye and an organic medium containing at least one ethylenically-unsaturated monomer; II) combining the colorant mixture with an aqueous mixture comprising a surfactant and a co-stabilizer to form a colorant mixture/aqueous mixture; III) causing the colorant mixture/aqueous mixture to form a stable aqueous droplet mixture via strong agitation; and IV) initiating polymerization to form composite polymer-dye particles comprising a colorant phase and a polymer phase; wherein an addition polymerization initiator is added prior to initiating polymerization. It further relates to composite polymer dye particles prepared by the above process and to composite polymer dye particles comprising a colorant phase containing a water insoluble dye, and a polymer phase, said particles being associated with a co-stabilizer.Type: GrantFiled: December 14, 2001Date of Patent: March 15, 2005Assignee: Eastman Kodak CompanyInventors: Xiaoru Wang, Huijuan D. Chen
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Patent number: 6848777Abstract: 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: GrantFiled: September 27, 2002Date of Patent: February 1, 2005Assignee: Eastman Kodak CompanyInventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier, Jin-Shan Wang
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Publication number: 20040207704Abstract: An ink jet ink set and recording element combination comprising: A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based ink jet ink set comprising at least two inks; wherein the RGD value is less than 40% when 60° is used as the specular angle and the RGD value is calculated according to Equation (A): 1 RGD ⁢ ⁢ % = ⁢ ∑ I = 1 N ⁢ &LeftBracketingBar; Gloss ⁡ ( Imaged ⁢ ⁢ Areas ) I - Gloss ⁡ ( Non ⁢ ⁢ Imaged ⁢ ⁢ Areas ) &RightBracketingBar; ∑ I = 1 N ⁢ Gloss ⁡ ( Imaged ⁢ ⁢ Areas ) I Equation ⁢ ⁢ ( A )Type: ApplicationFiled: May 7, 2004Publication date: October 21, 2004Applicant: Eastman Kodak CompanyInventors: James A. Reczek, Gang C. Han-Adebekun, Huijuan D. Chen
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Publication number: 20040189763Abstract: An aqueous inkjet ink comprising: a pigment; a heat-sensitive ionomer, at least one surfactant; and a humectant; wherein the ionomer is a charged polymer having at least 5 mole % of the recurring units negatively or positively charged.Type: ApplicationFiled: March 26, 2003Publication date: September 30, 2004Applicant: Eastman Kodak CompanyInventors: Shiying Zheng, Huijuan D. Chen, Ricky G. Frazier
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Publication number: 20040189762Abstract: An ink jet printing method, comprising the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading said printer with an ink jet recording element comprising a non-absorbing substrate; C) loading said printer with an ink jet ink composition comprising an aqueous ink jet ink composition comprising: a pigment; a heat sensitive ionomer; at least one surfactant; and a humectant; wherein the ionomer is a charged polymer having at least 5 mol % of the recurring units negatively or positively charged, and D) printing on said ink jet recording element accompanied by a heating step using said ink jet ink composition in response to said digital data signals.Type: ApplicationFiled: March 26, 2003Publication date: September 30, 2004Applicant: Eastman Kodak CompanyInventors: Huijuan D. Chen, Shiying Zheng, Ricky G. Frazier
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Publication number: 20040186198Abstract: This invention relates to an ink composition (and a method of printing therewith) comprising water, a humectant, and polymer-dye particles, wherein said polymer-dye particles comprise a colorant phase containing a water insoluble dye of formula (I), and a polymer phase, said particles being associated with a co-stabilizer 1Type: ApplicationFiled: March 20, 2003Publication date: September 23, 2004Applicant: Eastman Kodak CompanyInventors: Joan C. Potenza, Charles E. Heckler, Xiaoru Wang, Huijuan D. Chen
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Publication number: 20040186199Abstract: 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: ApplicationFiled: March 20, 2003Publication date: September 23, 2004Applicant: Eastman Kodak CompanyInventors: Xiaoru Wang, Mary C. Brick, Huijuan D. Chen, Ricky G. Frazier
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Patent number: 6773102Abstract: 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: GrantFiled: September 27, 2002Date of Patent: August 10, 2004Assignee: Eastman Kodak CompanyInventors: Huijuan D. Chen, Xiaoru Wang, Ricky G. Frazier