Patents by Inventor Thanhchau T. Nguyen

Thanhchau T. Nguyen 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).

  • Inks for high speed durable inkjet printing
    Patent number: 8940821
    Abstract: An inkjet ink composition comprising water, and at least one water-dispersible polyurethane/urea polymer having at least a first soft segment formed from a polyol prepolymer and at least a second soft segment formed from a polyamine prepolymer, wherein the polyol prepolymer forms urethane bonds in the polyurethane/urea and the polyamine prepolymer forms urea bonds in the polyurethane/urea, and further wherein at least about 4% by weight of the combined soft segments is formed by polyamine prepolymers that form urea bonds in the polyurethane/urea polymer.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: January 27, 2015
    Assignee: Eastman Kodak Company
    Inventors: Thomas B. Brust, Paul D. Yacobucci, Yongcai Wang, Catherine A. Falkner, Thanhchau T. Nguyen
  • Pigment-based inks with improved jetting latency
    Patent number: 8044115
    Abstract: An inkjet ink composition comprising water, pigment particles dispersed with a polymeric dispersant, at least one water-dispersible polyurethane, at least one pyrrolidinone compound, glycerol, and a 1,2-alkanediol having from four to eight carbon atoms.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: October 25, 2011
    Assignee: Eastman Kodak Company
    Inventors: Thomas B. Brust, Paul D. Yacobucci, Yongcai Wang, Catherine A. Falkner, Thanhchau T. Nguyen
  • INKS FOR HIGH SPEED DURABLE INKJET PRINTING
    Publication number: 20090169749
    Abstract: An inkjet ink composition comprising water, and at least one water-dispersible polyurethane/urea polymer having at least a first soft segment formed from a polyol prepolymer and at least a second soft segment formed from a polyamine prepolymer, wherein the polyol prepolymer forms urethane bonds in the polyurethane/urea and the polyamine prepolymer forms urea bonds in the polyurethane/urea, and further wherein at least about 4% by weight of the combined soft segments is formed by polyamine prepolymers that form urea bonds in the polyurethane/urea polymer.
    Type: Application
    Filed: September 22, 2008
    Publication date: July 2, 2009
    Inventors: Thomas B. Brust, Paul D. Yacobucci, Yongcai Wang, Catherine A. Falkner, Thanhchau T. Nguyen
  • PIGMENT-BASED INKS WITH IMPROVED JETTING LATENCY
    Publication number: 20090170986
    Abstract: An inkjet ink composition comprising water, pigment particles dispersed with a polymeric dispersant, at least one water-dispersible polyurethane, at least one pyrrolidinone compound, glycerol, and a 1,2-alkanediol having from four to eight carbon atoms.
    Type: Application
    Filed: September 22, 2008
    Publication date: July 2, 2009
    Inventors: Thomas B. Brust, Paul D. Yacobucci, Yongcai Wang, Catherine A. Falkner, Thanhchau T. Nguyen