Patents by Inventor Kazuaki Sutoh

Kazuaki Sutoh 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).

  • Method of manufacturing aminogroup-containing polysiloxanes of uniform quality
    Patent number: 5276122
    Abstract: A method of manufacturing aminogroup-containing polysiloxanes of uniform quality characterized in that a cyclic organopolysiloxane represented by the following general formula: ##STR1## and an aminoalkylpolysiloxane represented by the following general formula: ##STR2## are heated together in the presence of a basic catalyst.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: January 4, 1994
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hisashi Aoki, Shoji Ichinohe, Kazuaki Sutoh