Patents by Inventor Nobuhiro Kurano

Nobuhiro Kurano 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).

  • Inorganic coating compositions with alkali silicate
    Patent number: 3977888
    Abstract: Inorganic coating compositions with alkali silicate comprising a viscous aqueous suspension which is obtained by heating above 50.degree. C. the mixture comprising an aqueous 10-50 weight percent solution of alkali silicate and 5-300 weight percent (vs. the solid component in said 10-50 weight percent aqueous solution) of amorphous silica powder hardenable upon application of a hardener solution comprising a surface tension reducing agent and an aqueous solution of at least one compound selected from phosphoric acid, phosphates, chlorides, sulfates, nitrates, fluorosilicates and ammonium persulfate.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: August 31, 1976
    Assignee: Kansai Paint Company, Ltd.
    Inventors: Ryuichi Sano, Nobuhiro Kurano, Hiroshi Iwai, Iwao Momiyama