Patents by Inventor Keinosuke Ishikame

Keinosuke Ishikame 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: 5202462
    Abstract: A process for producing a halomethyl pivalate which comprises reacting an aqueous solution of a metal salt of pivalic acid with a dihalomethane selected from the group consisting of bromochloromethane, chloroiodomethane and bromoiodomethane in the presence of a phase transfer catalyst.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: April 13, 1993
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Naoto Yazawa, Keinosuke Ishikame