Patents by Inventor Chun Yu Cheng

Chun Yu Cheng 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).

  • Patent number: 9963585
    Abstract: The present invention provides polymer compositions containing a block copolymer having a formula A-B-A, wherein the block A is a vinyl aromatic block and the block B is a hydrogenated conjugated diene block, and compounds made from the polymer compositions. The block copolymer exhibits excellent flow characteristics, which allow it to be molded or extruded to isotropic articles. The present invention also provides films and molded articles therefrom.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: May 8, 2018
    Assignee: TSRC Corporation
    Inventors: Dale Lee Handlin, Jr., Chun Yu Cheng
  • Publication number: 20160032096
    Abstract: The present invention provides polymer compositions containing a block copolymer having a formula A-B-A, wherein the block A is a vinyl aromatic block and the block B is a hydrogenated conjugated diene block, and compounds made from the polymer compositions. The block copolymer exhibits excellent flow characteristics, which allow it to be molded or extruded to isotropic articles. The present invention also provides films and molded articles therefrom.
    Type: Application
    Filed: July 24, 2015
    Publication date: February 4, 2016
    Inventors: Dale Lee Handlin, JR., Chun Yu Cheng