Patents by Inventor Kasumi Takeuchi Kasumi Takei

Kasumi Takeuchi Kasumi Takei 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 for manufacturing hydrocarbon oxysilyl functional polymer
    Patent number: 6191220
    Abstract: A method for making a hydrocarbon oxysilyl functional polymer, which is important as a modified silicone or silicone-modified polymer, by a hydrosilylation reaction between a hydride (hydrocarbonoxy)silane compound having SiH functional groups and a polymer having olefinic or acetylenic unsaturated groups in the presence of a carboxylic acid and a catalytic amount of platinum or a platinum compound.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: February 20, 2001
    Assignee: Dow Corning Asia, Ltd.
    Inventors: Kasumi Takeuchi Kasumi Takei, Mamoru Tachikawa