Patents by Inventor Masuya Ikegami

Masuya Ikegami 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).

  • Process for producing aromatic polycarbonate formed articles having coating layer with excellent surface properties
    Patent number: 4396644
    Abstract: A process for producing a coated aromatic polycarbonate formed article having improved surface properties which comprises forming a primer layer containing a specific thermoplastic acrylic copolymer and an ultraviolet light absorbent on an aromatic polycarbonate formed article, and forming a protective topcoat comprising a thermoset organopolysiloxane on said primed polycarbonate article is disclosed. The coated aromatic polycarbonate formed article has excellent surface properties, such as weather resistance.
    Type: Grant
    Filed: March 26, 1982
    Date of Patent: August 2, 1983
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Susumu Taniyama, Goro Shimaoka, Yukio Maeda, Masuya Ikegami
  • One package system cold-setting coating compositions
    Patent number: 4058497
    Abstract: This invention relates to a one package system cold-setting type coating composition which comprises an acrylic copolymer having carboxyl groups in its molecule or an alkyd resin, an aluminum alkoxide complex and a keto-enol tautomeric compound, characterized by adding a specific nitrogen compound to the composition for preventing discoloration of a coated substance.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: November 15, 1977
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Keiun Ko, Naomitsu Takashina, Senzo Shimizu, Masuya Ikegami, Yoshinori Iwamoto