Patents by Inventor Kunio Yamamoto

Kunio Yamamoto 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: 4270953
    Abstract: This invention provides a novel antifouling paint which has excellent storage stability for a long period of time and which affords a coated film having antifouling properties for a long period of time. The paint comprises two components, Component A and Component B, said Component A and said Component B being in separate packages which are mixed before application, wherein Component A contains organotin polymer as antifouling ingredient, and wherein Component B comprises vehicle resin and copper antifoulant.
    Type: Grant
    Filed: March 6, 1979
    Date of Patent: June 2, 1981
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Keizo Nakagawa, Katsushi Yamano, Takashi Watanabe, Kunio Yamamoto, Shigeo Inomata
  • Patent number: 4017435
    Abstract: A powder coating composition for electrodeposition which comprises powdery particles having 0.1 to 50 microns particle size wetted with an organic solvent having a boiling point of 50.degree. to 250.degree. C in a range of 5 to 100 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition and dispersed in an aqueous medium containing a surface active agent of 0.05 to 5 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition to be dispersed, in which said organic solvent does not dissolve the organic high molecular weight compound in said powder coating composition and is scarcely soluble with said aqueous medium which is water or a mixture of water and water soluble organic solvents.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: April 12, 1977
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Taizo Kondo, Komaharu Matsui, Kunio Yamamoto
  • Patent number: 3970621
    Abstract: A powder coating composition for electrodeposition which comprises powdery particles having 0.1 to 50 microns particle size wetted with an organic solvent having a boiling point of 50.degree. to 250.degree.C in a range of 5 to 100 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition and dispersed in an aqueous medium containing a surface active agent of 0.05 to 5 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition to be dispersed, in which said organic solvent does not dissolve the organic high molecular weight compound in said powder coating composition and is scarcely soluble with said aqueous medium which is water or a mixture of water and water soluble organic solvents.
    Type: Grant
    Filed: September 11, 1974
    Date of Patent: July 20, 1976
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Taizo Kondo, Komaharu Matsui, Kunio Yamamoto
  • Patent number: 3960791
    Abstract: A powder coating composition for electrodeposition which comprises powdery particles having 0.1 to 50 microns particle size wetted with an organic solvent having boiling point of 50.degree. to 250.degree.C in a range of 5 to 100 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition and dispersed in an aqueous medium containing a surface active agent of 0.05 to 5 parts by weight per 100 parts by weight of the powdery particles in said powder coating composition to be dispersed, in which said organic solvent does not dissolve the organic high molecular weight compound in said powder coating composition and is scarcely soluble with said aqueous medium which is water or a mixture of water and water soluble organic solvents.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: June 1, 1976
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Taizo Kondo, Komaharu Matsui, Kunio Yamamoto