Patents by Inventor Shigeo Sadahiro

Shigeo Sadahiro 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).

  • Oriented polyolefin film
    Patent number: 4722970
    Abstract: An oriented polyolefin film containing particles of a condensated resin comprising, as a structural unit, a compound having a triazine ring with an average particle size of 0.5 to 10 .mu.m are contained at a ratio of 0.01 to 0.1% by weight based on a polyolefin and oriented monoaxially or biaxially by a factor of at least 4 in the orienting directions.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: February 2, 1988
    Assignees: Tokuyama Soda Co., Ltd., Nippon Shokubai Kagaku Kogyo Co., Ltd.
    Inventors: Nobuyuki Nakagoshi, Iwao Fuzikawa, Mitsuo Kushino, Shigeo Sadahiro