Patents by Inventor Yukio Kajiwara

Yukio Kajiwara 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).

  • Curable composition and method for preparing the same
    Patent number: 5733644
    Abstract: A curable composition comprising an aged mixture of tetramethoxysilane with water added in excess of the theoretical amount sufficient for the hydrolysis and condensation of 100% of the silane and a reactive organic compound having at least two functional groups capable of condensing with the product of hydrolysis and condensation of the silane in the above mixture.
    Type: Grant
    Filed: January 7, 1997
    Date of Patent: March 31, 1998
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Seiichiro Tanaka, Hanako Kato, Takeshi Sawai, Nobuyuki Matsuzoe, Kenji Oba, Yukio Kajiwara, Hozumi Endo
  • Aqueous dispersion of silicic anhydride and abrasive composition comprising the dispersion
    Patent number: 4664679
    Abstract: An aqueous dispersion of silicic anhydride, comprising an aqueous solvent and silicic anhydride dispersed therein, wherein the silicic anhydride has a surfacial silanol group density of from 0.3 to 3 per 100 .ANG..sup.2 and is obtained by the surface treatment of silicic anhydride produced by a dry method.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: May 12, 1987
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Katsuhisa Kohyama, Tsuneo Kimura, Teruo Kidera, Yukio Kajiwara