Patents by Inventor Tadayuki Oomae

Tadayuki Oomae 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).

  • Patent number: 5004782
    Abstract: A novel thermoplastic resin composition is provided. It has excellent balance in the physical properties and is usable as shaped articles, sheets and films having excellent appearance in uniformity and smoothness. The thermoplastic resin composition is a blend of a resin composition (D) with a copolymer (C) containing epoxy group, said (D) being composed of graft-modified polypropylene (A) by unsaturated carboxylic acid or anhydride thereof, with or without unmodified polypropylene, and saturated polyester resin (B). The copolymer (C) is composed of an unsaturated epoxy compound and ethylene, with or without an ethylenically unsaturated compound other than ethylene.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: April 2, 1991
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Kentaro Mashita, Takeshi Fujii, Tadayuki Oomae
  • Patent number: 4780505
    Abstract: A novel thermoplastic resin composition is provided. It has excellent balance in the physical properties and is usable as shaped articles, sheets and films having excellent appearance in uniformity and smoothness. The thermoplastic resin composition is a blend of a resin composition (D) defined below and a copolymer (C) containing epoxy group, said (D) being composed of modified polypropylene by unsaturated carboxylic acid or anhydride thereof with or without unmodified polypropylene, and polyamide resin. The copolymer (C) is composed of an unsaturated epoxy compound and ethylene, with or without an ethylenically unsaturated compound other than ethylene.
    Type: Grant
    Filed: August 22, 1985
    Date of Patent: October 25, 1988
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Kentaro Mashita, Takeshi Fujii, Tadayuki Oomae