Patents by Inventor Masaru Higuchi

Masaru Higuchi 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: 3953392
    Abstract: Novel sytrene resin compositions, especially styrene-acrylonitrile resin and styrene-acrylonitrile-butadiene resin compositions, are provided, which comprise a styrene resin having blended therein as lubricant at least one of the compounds represented by the following general formula: ##EQU1## wherein R and R' each represent hydrogen or a straight chain, saturated alkyl radical, the sum of the carbon atoms in both radicals R and R', being 14-42.This application is a division of application Serial No. 376,318, filed July 5, 1973, now U.S. Pat. No. 3,883,464, which in turn is a continuation-in-part of application Ser. No. 212,787, filed Dec. 27, 1971, now U.S. Pat. No. 3,817,900.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: April 27, 1976
    Assignee: Daicel Ltd.
    Inventors: Masaru Higuchi, Hajime Ohnishi, Hiroshi Yagihara