Patents by Inventor Hiroshi Misuta

Hiroshi Misuta 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).

  • Process for the production of phenylmalonic acid mono-esters
    Patent number: 4336196
    Abstract: Sodium salts of phenylmalonic acid mono-esters are produced by reacting a phenylacetic acid ester with carbon dioxide in the presence of a sodium substituted compound, which is prepared by substituting a sodium atom for a hydrogen atom of an organic compound selected from a group consisting of acetylene, cumene, triphenylmethane, methyl-methylthiomethyl-sulfoxide and dimethyl-sulfoxide, at a temperature in a range of -20.degree. C. to -40.degree. C.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: June 22, 1982
    Assignees: Nippon Soda Company Limited, Shionogi Company Limited
    Inventors: Shigeo Kitamura, Kazuo Yoshioka, Yoshiharu Seriyama, Hiroshi Misuta