Patents by Inventor Senji Miyazaki

Senji Miyazaki 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).

  • Thermoformed polyolefin cup
    Patent number: 4578296
    Abstract: The present invention relates to a cup which is produced by thermoforming a polyolefin resin composition sheet wherein the polyolefin resin composition comprises from 30 to 80% by weight of a polyolefin resin, from 19 to 69% by weight of talc, and from 1 to 10% by weight of titanium oxide, and also by thermoforming of a laminated sheet comprising (A) a layer of the above described polyolefin resin composition and (B) a layer of a polyolefin resin composition containing from 0 to 10% by weight of an inorganic filler.The cup is of high whiteness, and has a high quality paper-like appearance of reduced luster and transparency impression, and is high in strength, stiffness, stability, and so forth.
    Type: Grant
    Filed: June 13, 1984
    Date of Patent: March 25, 1986
    Assignee: Idemitsu Petrochemical Co., Ltd.
    Inventors: Senji Miyazaki, Osamu Touya