Patents by Inventor Shinzi Irie

Shinzi Irie 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 of immobilizing enzymes or microbes with alginate having a low mannuronic acid to guluronic acid ratio
    Patent number: 4950600
    Abstract: Enzymes or microbes are immobilized by using low mannuronic acid to guluronic acid (M/G) ratio alginate to produce an alginate gel having improved strength. An aqueous solution containing an enzyme or microbe and alginate having an M/G ratio of 0.01-0.8 (preferably 0.01-0.3) is contacted with an aqueous solution of barium ion or strontium ion to gel the alginate.
    Type: Grant
    Filed: January 13, 1988
    Date of Patent: August 21, 1990
    Assignees: Kabushiki Kaisha Kibun, Kabushiki Kaisha Kibun Fudokenifa
    Inventors: Hideo Tanaka, Shinzi Irie