Patents by Inventor Tsutomu Asaba

Tsutomu Asaba 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: 4564557
    Abstract: A thermoset acrylic resin composition for coating metallic materials, particularly stainless steel, having a superior adhesion thereonto and hence a superior resistance to forming after coated, and a stainless steel piece coated with a coating material comprising the above composition, followed by baking, and having a superior colorability and endurability, are provided, which composition is obtained by radical-copolymerizing (a) an acrylic or methacrylic acid ester having 1-12 C in the ester moiety, in 40-80% by weight, (b) a hydroxyl group- or epoxy group-containing acrylic or methacrylic acid ester, in 20-5% by weight, (c) a vinyl group-containing polysiloxane in 20-0.01% by weight and (d) a vinyl group-containing silane compound in 20-2% by weight, these % by weight being based on the total weight of monomers (a)-(d).
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: January 14, 1986
    Assignee: Chisso Corporation
    Inventors: Masuhito Ohgushi, Hiroshi Ohtsuka, Tsutomu Asaba, Hironobu Hoshi, Kenichi Goshokubo, Takeo Wakui, Kiminori Ishii, Masashi Ohno, Yukio Okada