Patents by Inventor Tutomu Sarudate

Tutomu Sarudate 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).

  • Resin composition with low shrinkage
    Patent number: 4233413
    Abstract: A resin composition comprising (A) 25 to 45 parts by weight of an unsaturated polyester having special structure, (B) 40 to 60 parts by weight of polymerizable monomer such as styrene, and (C) 4.5 to 15 parts by weight of a polystyrene, has low shrink properties and excellent electrical properties when molded, particularly by casting.
    Type: Grant
    Filed: November 28, 1978
    Date of Patent: November 11, 1980
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Noboru Monma, Iwao Maekawa, Tutomu Sarudate, Hidetaka Sato, Isao Uchigasaki