Patents by Inventor Masahiro Jinnouti

Masahiro Jinnouti 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).

  • Corrosion preventive pigment comprising a phosphate source, a vanadium ion source, and optionally, a network modifier and/or a glassy material
    Patent number: 5037478
    Abstract: Disclosed is a corrosion preventive pigment consisting essentially of(a) a phosphorus compound which generates phosphate ions in the presence of water and oxygen, selected from the group consisting of a phosphorous pentoxide, an orthophosphoric acid, a condensed phosphoric acid, and alkaline earth metal or transition metal phosphate, or an alkaline earth metal or transition metal condensed phosphate, and(b) a vanadium compound which generates a vanadate ion in the presence of water and oxygen, selected from the group consisting of vanadium (V) oxide, a vanadyl compound, an alkaline earth metal or transition metal vanadate, a baked condensate of alkaline earth metal or transition metal vanadates, or a heterocondensate of alkaline earth metal or transition metal vanadates;and which has a pH value of from 5 to 9.
    Type: Grant
    Filed: July 6, 1989
    Date of Patent: August 6, 1991
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Toshihiro Okai, Yoshiaki Okumura, Mitsuyuki Oda, Takashi Yamamoto, Masahiro Jinnouti