Patents by Inventor Yukihiko Taketani

Yukihiko Taketani 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).

  • Anticorrosive pigment composition and coating compositions containing the same
    Patent number: 6010563
    Abstract: A nontoxic anticorrosive pigment composition free from toxic heavy metals comprises a condensed phosphoric acid aluminum salt, typically aluminum dihydrogen tripolyphosphate, and magnesium silicate, typically magnesium hexasilicate. The anticorrosive pigment composition enhances the thermal resistance of paint films when formulated in a coating composition containing a chlorine-containing vinyl polymer such as vinyl chloride-vinylidene chloride copolymer emulsion paints.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: January 4, 2000
    Assignee: Tayca Corporation
    Inventors: Yukihiko Taketani, Hajime Kondo