Patents by Inventor Yasuko Nigorikawa

Yasuko Nigorikawa 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 Producing 4-Deoxy-4-Fluoro-D-Glucose Derivative
    Publication number: 20100267940
    Abstract: There is disclosed a method for producing a 4-deoxy-4-fluoro-D-glucose derivative by reacting a D-galactose derivative with either sulfuryl fluoride (SO2F2), trifluoromethanesulfonyl fluoride (CF3SO2F) or perfluorobutanesulfonyl fluoride (C4F9SO2F) in the presence of an organic base or in the presence of an organic base and a salt or complex of an organic base and hydrogen fluoride.
    Type: Application
    Filed: November 26, 2008
    Publication date: October 21, 2010
    Inventors: Akihiro Ishii, Manabu Yasumoto, Takashi Ootsuka, Yasuko Nigorikawa