Patents by Inventor Iwakichi Sugiyama

Iwakichi Sugiyama 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: 5897958
    Abstract: A modified titanium oxide sol obtained by treating an aqueous titanium oxide sol with a compound having a phase transfer activity.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: April 27, 1999
    Assignee: Asahi Glass Company Ltd.
    Inventors: Ryoji Yamada, Iwakichi Sugiyama, Hiroshi Suzuki
  • Patent number: 4720513
    Abstract: The present invention relates to an instantaneous adhesive composition which is satisfactorily made thixotropic or gelled and has a rapid setting time and an excellent adhesive strength, said composition being obtained by adding to an .alpha.-cyanoacrylate a silica gel treated with a silyl isocyanate.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: January 19, 1988
    Assignee: Matsumoto Seiyaku Kogyo Kabushiki Kaisha
    Inventors: Makoto Kameyama, Masakazu Wakabayashi, Iwakichi Sugiyama
  • Patent number: 4435587
    Abstract: A process for producing a silicon isocyanate compound which comprises reacting a silicon halide compound in which a fluoride compound is excluded with an isocyanate of the formula [I] M(NCO).sub.m or a cyanate of the formula [I'] M(OCN).sub.m wherein M represents a member selected from the group consisting of alkali metals and alkaline earth metals, and m is 1 or 2, in the presence of one or more reaction accelerators selected from the group consisting of alkylene glycols, polyalkylene glycols and, ether and ester derivatives thereof, thereby to prepare a silicon isocyanate compound containing at least one Si--NCO linkage.
    Type: Grant
    Filed: August 10, 1982
    Date of Patent: March 6, 1984
    Assignee: Matsumoto Seiyaku Kogyo Kabushiki Kaisha
    Inventors: Iwakichi Sugiyama, Kiyoshi Endo, Yukihisa Takaoka
  • Patent number: 4433127
    Abstract: A room temperature curable silicone composition of one-pack type comprising a silanol-terminated polyorganosiloxane compound, a silyl isocyanate compound and a Ti--O--P bond-containing organic compound has excellent storage stability, short curing time, and excellent physical properties and is not susceptible to discoloration.
    Type: Grant
    Filed: June 17, 1982
    Date of Patent: February 21, 1984
    Assignee: Matsumoto Seiyaku Kogyo Kabushiki Kaisha
    Inventors: Iwakichi Sugiyama, Kiyoshi Endo, Yukihisa Takaoka
  • Patent number: 4328170
    Abstract: A process for producing an .alpha.-cyanoacrylate which comprises reacting a cyanoacetate with formaldehyde in the presence of a catalyst and a solvent, wherein a compound having phase transfer catalytic activity is used as the catalyst.
    Type: Grant
    Filed: October 25, 1979
    Date of Patent: May 4, 1982
    Assignee: Matsumoto Seiyaku Kogyo Kabushiki Kaisha
    Inventors: Makoto Okawara, Yukihisa Takaoka, Makoto Kameyama, Iwakichi Sugiyama
  • Patent number: 4036796
    Abstract: When a film-forming material is dried and hardened in the presence of an alkoxy radical-containing zirconium compound-cobalt carboxylate complex, the drying process and hardness of the resulting film are improved.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: July 19, 1977
    Assignee: Matsumoto Seiyaku Kogyo Kabushiki Kaisha
    Inventors: Iwakichi Sugiyama, Yukihisa Takaoka, Kiyoshi Endo