Patents by Inventor Minoru Kumkaura

Minoru Kumkaura 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).

  • Immobilization of enzymes or bacteria cells
    Patent number: 4194066
    Abstract: A porous polymer containing immobilized enzymes or bacteria cells is prepared by forming a mixture of enzymes or bacteria cells and a monomer having the formulae ##STR1## wherein X is hydrogen or methyl; R is --CH.sub.2 CH.sub.2 --, ##STR2## or --CH.sub.2 CH.sub.2 CH.sub.2 --, R' is alkyl or hydrogen; n is integer of 2 or more and m is integer of 4 or more, or mixture of such monomers; and then polymerizing or copolymerizing the monomer(s) in the mixture at a temperature of less than 0.degree. C. by means of ionizing radiation.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: March 18, 1980
    Assignee: Japan Atomic Energy Research Institute
    Inventors: Isao Kaetsu, Minoru Kumkaura