Patents by Inventor Dianzhi Yang

Dianzhi Yang 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).

  • Aqueous compositions comprising polymeric duller particle
    Patent number: 7829626
    Abstract: The present invention provides aqueous matte coating compositions comprising a binder component B) and a polymeric duller component A) composed of particles of one or more multi-stage copolymer or single stage crosslinked (co)polymer, e.g. crosslinked t-butyl (meth)acrylate, the duller component particles A) having an average diameter of 1-20 ?m. Components A) and B) are compatible. Preferably, the duller component A) is acrylic; more preferably, components A) and B) are acrylic. The aqueous compositions provide matte coatings having haptic or feel (soft touch) properties, film and appearance properties, including burnish resistance and low color loss.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: November 9, 2010
    Assignee: Rohm and Haas Company
    Inventors: Shang-Jaw Chiou, Bradley K. Hageman, Joseph M. Hoefler, Ari K. Kar, Edwin H. Nungesser, John D. Whiteman, Dianzhi Yang
  • Aqueous compositions comprising polymeric duller particle
    Publication number: 20070218291
    Abstract: The present invention provides aqueous matte coating compositions comprising a binder component B) and a polymeric duller component A) composed of particles of one or more multi-stage copolymer or single stage crosslinked (co)polymer, e.g. crosslinked t-butyl (meth)acrylate, the duller component particles A) having an average diameter of 1-20 ?m. Components A) and B) are compatible. Preferably, the duller component A) is acrylic; more preferably, components A) and B) are acrylic. The aqueous compositions provide matte coatings having haptic or feel (soft touch) properties, film and appearance properties, including burnish resistance and low color loss.
    Type: Application
    Filed: February 26, 2007
    Publication date: September 20, 2007
    Inventors: Shang-Jaw Chiou, Bradley K. Hageman, Joseph M. Hoefler, Ari K. Kar, Edwin H. Nungesser, John D. Whiteman, Dianzhi Yang