Patents by Inventor Teruhide Watabe

Teruhide Watabe 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: 6528567
    Abstract: An anionic surfactant having a thermal weight loss initiation temperature of at least 250° C. is incorporated with a thermoplastic resin comprising a graft copolymer formed by graft-polymerizing an ethylenically unsaturated monomer onto a rubber trunk polymer obtained by emulsion polymerization using a carboxylic acid-type surfactant. As a result, it is possible to obtain an antistatic resin composition which can be effectively produced on an industrial scale and can provide a shaped product excellent in permanent antistatic property and free from haze or discoloration even when processed under severe processing conditions.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: March 4, 2003
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Shiro Arai, Teruhide Watabe