Patents by Inventor Kazuhiro Kimata

Kazuhiro Kimata 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).

  • Optical resolution agent and process for the preparation of the same
    Patent number: 5302633
    Abstract: An optical resolution agent which is prepared by polymerizing a polysaccharide derivative having vinyl groups introduced into the hydroxyl groups thereof through an ester or urethane linkage on the surface of a porous support or by copolymerizing such a polysaccharide derivative having vinyl groups introduced thereinto with a porous support having vinyl groups introduced thereinto and which enables an efficient optical resolution of a racemic modification by chromatography.
    Type: Grant
    Filed: January 26, 1993
    Date of Patent: April 12, 1994
    Assignee: Nacalai Tesque, Inc.
    Inventors: Kazuhiro Kimata, Riyo Tsuboi