Patents by Inventor Teijiro Arai

Teijiro Arai 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).

  • Polyamide composition
    Patent number: 4305865
    Abstract: A polyamide composition comprises (a) 50 to 99 wt. % of a polyamide; and (b) 50 to 1 wt. % of a modified polyolefin which is modified with 0.001 to 10 mole % of an adduct component selected from alicyclic carboxylic acids or functional derivatives thereof which has a cis-form double bond in the ring, which can be substituted with a nonmodified polyolefin at a ratio of 1 to 90 wt. parts per 100 wt. parts of said modified polyolefin.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: December 15, 1981
    Assignee: Unitika Ltd.
    Inventors: Takuji Okada, Teijiro Arai, Yoshinori Ichikawa, Kikuo Tanaka