Patents by Inventor Yumiko Iwasawa

Yumiko Iwasawa 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).

  • Oxidoreductase and method for preparing 3-(p-hydroxyphenyl)-2-propenol derivatives or the like using the enzyme
    Patent number: 6017724
    Abstract: The present invention relates to a novel enzyme which is derived from bacterial cells of a strain belonging to the genus Pseudomonas fluorescens and which catalyzes a reaction for oxidizing substrates such as p-hydroxytoluene derivatives and p-alkylphenol derivatives as well as a method for preparing, for instance, 3-(p-hydroxyphenyl)-2-propenol derivatives, p-hydroxybenzaldehyde derivatives, p-alkylphenol derivatives and optically active S(-)-1-(4-hydroxyphenyl) alcohol derivatives, using the enzyme.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: January 25, 2000
    Assignee: Chisso Corporation
    Inventors: Toru Nagasawa, Hiroshi Morita, Yumiko Iwasawa