Patents by Inventor Chih Hsun Liu

Chih Hsun Liu 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).

  • Preparation of hollow polymer microspheres
    Patent number: 8940363
    Abstract: The present invention of three-stage process relates to preparing hollow particles with a buffer layer, exhibiting integrity of particle structure and uniformity of particle size, used in plastic or paper coating, and showing superior characteristics of gloss, whiteness, high opacity, high printing color density and good water resistance.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: January 27, 2015
    Assignee: Nan Ya Plastics Corporation
    Inventors: Dein Run Fung, Sen Huang Hsu, Chih Hsun Liu, Hsu Ming Cheng
  • PREPARATION OF HOLLOW POLYMER MICROSPHERES
    Publication number: 20140050845
    Abstract: The present invention of three-stage process relates to preparing hollow particles with a buffer layer, exhibiting integrity of particle structure and uniformity of particle size, used in plastic or paper coating, and showing superior characteristics of gloss, whiteness, high opacity, high printing color density and good water resistance.
    Type: Application
    Filed: August 17, 2012
    Publication date: February 20, 2014
    Inventors: Dein Run Fung, Sen Huang Hsu, Chih Hsun Liu, Hsu Ming Cheng