Patents by Inventor Masazi Sunada

Masazi Sunada 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: 4845146
    Abstract: A flame-retardant olefin polymer composition containing 100 parts by weight of a resin component, said resin component consisting essentially of the following (a) and (b):(a) 60-99% by weight of a copolymer of ethylene and a carboxyl-containing monomer or a derivative thereof and(b) 1-40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or a derivative thereof; and(c) 20-200 parts by weight of an inorganic flame retardant.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: July 4, 1989
    Assignee: Nippon Petrochemicals Company, Limited
    Inventors: Takashi Inoue, Masazi Sunada, Motohide Okamoto, Masayoshi Kariya, Tadashi Inoh
  • Patent number: 4722959
    Abstract: The present invention provides a flame-retardant olefin polymer composition comprising at least components (a), (b) and (c) in whichin 100 parts by weight of a resin component which is conmposed of(a) 99 to 60% by weight of an ethylene-.alpha.-olefin copolymer having a density of 0.86 to 0.91 g/cm.sup.3, a boiling n-hexane insoluble matter of 10% by weight or more and a maximum peak temperature of 100.degree. C. or more in terms of differential scanning calorie meter and(b) 1 to 40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or its derivative;(c) 20 to 200 parts by weight of an inorganic flame retarder is contained; and an electrical material employing the aforesaid composition.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: February 2, 1988
    Assignee: Nippon Petrochemicals Co., LTD.
    Inventors: Takashi Inoue, Masazi Sunada, Satoru Kaneko, Motohide Okamoto