Patents by Inventor Yoshito Nakayama

Yoshito Nakayama 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).

  • Active support substance and adsorbent for chromatography
    Patent number: 4913812
    Abstract: The active support substance and the adsorbent for chromatography, which have got all of the properties desired for affinity chromatography, can be constituted by a porous copolymer comprising gel copolymer which is principally composed of (A) a glycidyl monovinylester or glycidyl monovinylether and (B) alkyleneglycol divinylester, and combination groups to be bound to ligands through a covalent bond, the (A) component being crosslinked by the (B) component, and the combination groups being bound to epoxy groups of the (A) component.
    Type: Grant
    Filed: December 29, 1988
    Date of Patent: April 3, 1990
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Soyao Moriguchi, Yoshito Nakayama, Hiroshi Suzuki, Tae Ishii, Seiji Shioda, Isao Kaiho