Patents by Inventor Kisheong Han

Kisheong Han 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).

  • Dispersion and aqueous coating composition comprising the dispersion
    Patent number: 8497319
    Abstract: The present invention relates to a dispersion comprising an acryl-modified cellulose ester derivative (D) dispersed in an aqueous medium, wherein a hydrophobic acrylic resin (B) and a hydrophilic acrylic resin (C) are grafted onto a cellulose ester derivative (A) in the acryl-modified cellulose ester derivative (D). The dispersion has excellent long-term storage stability, and aqueous coating compositions comprising the dispersion can form coating films with excellent coating workability, solvent resistance, chemical resistance, water resistance, and excellent curability.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: July 30, 2013
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Chikara Kawamura, Kisheong Han
  • DISPERSION AND AQUEOUS COATING COMPOSITION COMPRISING THE DISPERSION
    Publication number: 20120264874
    Abstract: The present invention relates to a dispersion comprising an acryl-modified cellulose ester derivative (D) dispersed in an aqueous medium, wherein a hydrophobic acrylic resin (B) and a hydrophilic acrylic resin (C) are grafted onto a cellulose ester derivative (A) in the acryl-modified cellulose ester derivative (D). The dispersion has excellent long-term storage stability, and aqueous coating compositions comprising the dispersion can form coating films with excellent coating workability, solvent resistance, chemical resistance, water resistance, and excellent curability.
    Type: Application
    Filed: June 27, 2012
    Publication date: October 18, 2012
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Chikara KAWAMURA, Kisheong HAN
  • DISPERSION AND AQUEOUS COATING COMPOSITION COMPRISING THE DISPERSION
    Publication number: 20100184885
    Abstract: The present invention relates to a dispersion comprising an acryl-modified cellulose ester derivative (D) dispersed in an aqueous medium, wherein a hydrophobic acrylic resin (B) and a hydrophilic acrylic resin (C) are grafted onto a cellulose ester derivative (A) in the acryl-modified cellulose ester derivative (D). The dispersion has excellent long-term storage stability, and aqueous coating compositions comprising the dispersion can form coating films with excellent coating workability, solvent resistance, chemical resistance, water resistance, and excellent curability.
    Type: Application
    Filed: January 15, 2010
    Publication date: July 22, 2010
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Chikara KAWAMURA, Kisheong Han