Patents by Inventor Tetsuzi Takata

Tetsuzi Takata 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).

  • Composition containing epoxy resin, di(meth)acrylate, N-heterocylic compound and polyamine
    Patent number: 4910270
    Abstract: Disclosed is a curable epoxy resin composition having excellent flexibility and toughness, comprising (a) an epoxy resin, (b) a glycol type di(meth)acrylate, (c) a nitrogen containing heterocyclic compound, and (d) a polyamine having at least two amino groups with an active hydrogen. The resin composition is very suitable for a vibration damping laminate.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: March 20, 1990
    Assignee: Koei Chemical Co., Ltd.
    Inventors: Zenichiro Maekawa, Kazuo Uede, Shinichi Yasuda, Tetsuzi Takata, Yosiaki Turuta