Patents by Inventor Yoshihiro Uotome

Yoshihiro Uotome 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).

  • Elastomer film and composite containing same
    Patent number: 5252385
    Abstract: An elastomer film of a thermoplastic elastomer composition comprising 30-70 weight % of an ethylene-propylene-diene copolymer and 70-30 weight % of an ethylene-vinyl acetate copolymer having a vinyl acetate content of 5-30 weight % and a melt index of 0.2-25 g/10 minutes, the elastomer film having a thickness of 10-60 .mu.m, and a draw ratio expressed by a heat shrinkage ratio at 50.degree. C. which is 5-35% in an MD direction and 5-25% in a TD direction, the ratio of the draw ratio in an MD direction to the draw ratio in a TD direction being 3 or less, is produced by an air-cooled inflation method.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: October 12, 1993
    Assignee: Tonen Sekiyukagaku Kabushiki Kaisha
    Inventors: Seiji Kagawa, Hideaki Toda, Yoshihiro Uotome