Patents by Inventor Huei-Jen YANG

Huei-Jen 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).

  • Polyurethane-based UV absorber
    Patent number: 10005958
    Abstract: A polyurethane-based UV absorber, obtained by reacting a UV absorber having a reactive hydrogen with a polyisocyanate and a diol or polyol; wherein the weight average molecular weight of the polyurethane-based UV absorber is in a range of 10,000 to 200,000.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 26, 2018
    Assignee: EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION
    Inventors: Mei-Ting Lu, Huei-Jen Yang, Yuan-Pin Pan, Tzu-Heng Ko, Der-Gun Chou, Bao-Kun Lai
  • Polyurethane-based UV absorber
    Publication number: 20180002602
    Abstract: A polyurethane-based UV absorber, obtained by reacting a UV absorber having a reactive hydrogen with a polyisocyanate and a diol or polyol; wherein the weight average molecular weight of the polyurethane-based UV absorber is in a range of 10,000 to 200,000.
    Type: Application
    Filed: June 1, 2017
    Publication date: January 4, 2018
    Inventors: Mei-Ting LU, Huei-Jen YANG, Yuan-Pin PAN, Tzu-Heng KO, Der-Gun CHOU, Bao-Kun LAI