Patents by Inventor Hiroki Goan

Hiroki Goan 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).

  • Hydrous pellets of ethylene-vinyl acetate copolymer hydrolyzate, production thereof and moldings from such hydrous pellets
    Patent number: 6184288
    Abstract: The hydrous ethylene-vinyl acetate copolymer hydrolyzate (EVOH) pellets of the present invention are characterized in that they are hydrous pellets of an ethylene-vinyl acetate copolymer hydrolyzate (EVOH) (A) having an ethylene content of 5 to 60 mole percent and a degree of saponification of not less than 90 mole percent and have a water content of 5 to 60% by weight and a storage elastic modulus at 20° C. of 2×106 to 5×107 Pa. These hydrous pellets preferably contain a small amount of an alcohol (B) containing 1 to 5 carbon atoms and/or a small amount of at least one compound (C) selected from the group consisting of a boron compound (c1), acetic acid (c2), an alkaline metal acetate (c3), an alkaline earth metal acetate (c4) and a phosphoric acid compound (c5).
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: February 6, 2001
    Assignee: Nippon Gohsei Kagaku Kogyo
    Inventors: Kenji Ninomiya, Makoto Kunieda, Koji Izumi, Tomoyuki Yamamoto, Hiroki Goan