Patents by Inventor Toshihiro Mizutani

Toshihiro Mizutani 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).

  • Diacetal composition, process for preparing the same, polyolefin nucleating agent containing said composition, polyolefin resing compositions and molded articles
    Publication number: 20020028864
    Abstract: This invention provides a granular or powdery diacetal composition comprising:
    Type: Application
    Filed: June 1, 2001
    Publication date: March 7, 2002
    Inventors: Toshiaki Kobayashi, Masahide Ishikawa, Harutomo Nomoto, Toshihiro Mizutani
  • Diacetal composition, process for the preparation of the same, nucleating agent for polyolefins containing the same, polyolefin resin compositions, and moldings
    Patent number: 6245843
    Abstract: This invention provides a granular or powdery diacetal composition comprising: (a) at least one diacetal such as 1,3:2,4-O-dibenzylidene-D-sorbitol or a nucleus-substituted derivative thereof, and (b) at least one binder selected from the group consisting of neutral or weakly acidic monovalent organic acids, neutral or weakly acidic polyvalent organic acids, partial salts of neutral or weakly acidic polyvalent organic acids, salts of sulfuric acid ester, sulfonic acid salts, salts of phosphoric acid ester, phosphoric acid esters, phosphorous acid esters and aluminum salts of a neutral or weakly acidic monovalent organic acid, the binder being uniformly dispersed on the surface and in the interior of the particles of the granular or powdery diacetal composition; a process for preparing the composition; a polyolefin resin nucleating agent comprising the composition; a resin composition containing the nucleating agent and a polyolefin resin; and a polyolefin resin molded article.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: June 12, 2001
    Assignee: New Japan Chemical Co., Ltd.
    Inventors: Toshiaki Kobayashi, Masahide Ishikawa, Harutomo Nomoto, Toshihiro Mizutani
  • Thermoplastic resin composition and a method of molding the same
    Patent number: 5504128
    Abstract: This invention provides a thermoplastic resin composition comprising a thermoplastic resin and 0.1 to 100 parts by weight, per 100 parts by weight of the thermoplastic resin, of an imide compound prepared, e.g., by dehydration condensation of 1,2,3,4-butanetetracarboxylic acid or a monoanhydride or a dianhydride thereof with a primary amine, and a method of molding the resin composition.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: April 2, 1996
    Assignee: New Japan Chemical Co., Ltd.
    Inventors: Toshihiro Mizutani, Kango Fujitani, Mikio Nakazawa