Patents by Inventor Nanami Nishida

Nanami Nishida 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).

  • Separating agent for optical isomers
    Patent number: 5734043
    Abstract: A separating agent which, when used as the packing material for reverse-phase liquid chromatography, has excellent baseline stability in the mobile phase and an increased number of steps of the detected peak in the measurement is provided. The agent comprises a polysaccharide derivative supported on a silica gel having surface silanol groups treated with a silylating agent having an aralkyl group.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: March 31, 1998
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Tatsushi Murakami, Nanami Nishida