Patents by Inventor Tooru Odajima

Tooru Odajima 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).

  • Non-flammable adhesive compositions
    Patent number: 4323659
    Abstract: The non-flammable adhesive compositions contain 100 parts by weight of a brominated epoxy resin such as a bisphenol type brominated epoxy resin or a novolak type brominated epoxy resin; 40-80 parts by weight of an acrylic copolymer and 5-20 parts by weight of a brominated polyvinyl phenol, said acrylic copolymer being prepared by copolymerizing (a) 5-35% by weight of acrylonitrile, (b) 0.5-10% by weight of an ethylenically unsaturated compound having at least one functional group selected from carboxyl, hydroxyl and epoxy group, and (c) substantially the balance of an ester obtainable from an alcohol having from 1 to 6 carbon atoms and acrylic acid and/or methacrylic acid.
    Type: Grant
    Filed: December 4, 1980
    Date of Patent: April 6, 1982
    Assignee: Sony Corporation
    Inventors: Masanao Watanabe, Keiichi Naito, Tooru Odajima, Yoshio Fujiwara