Patents by Inventor Tsumoru Takano, deceased

Tsumoru Takano, deceased 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).

  • Fiber glass reinforced resin compositions
    Patent number: 4292235
    Abstract: There are provided fiber glass reinforced resin compositions comprising an acrylic copolymer consisting mainly of methyl methacrylate, fiber glass and an inorganic or organic compound containing pentavalent phosphorus atoms, whereby a deterioration phenomenon of whitening under the influence of water over a long period of time is remarkably improved.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: September 29, 1981
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Yasuo Uemoto, Shigenori Togami, Tsumoru Takano, deceased, Ichiro Ono, Takashi Kayama