Patents by Inventor Yutaka Miyashiro

Yutaka Miyashiro 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).

  • Patent number: 4493894
    Abstract: A matrix comprising a water-insoluble .beta.-1,3-glucan gel in the shape of beads with diameters within the range of about 5 to 1000.mu. is prepared by, for example, dispersing an alkaline aqueous solution of a water-soluble .beta.-1,3-glucan in a water-immiscible organic solvent, and adding an organic acid to the resultant dispersion. The matrix is useful as carrier materials for immobilized enzymes, affinity chromatography, gel filtration, ion exchange and other applications.
    Type: Grant
    Filed: September 16, 1980
    Date of Patent: January 15, 1985
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yutaka Miyashiro, Masao Ogawa, Yoshio Yamazaki, Seizi Igarasi
  • Patent number: 4143201
    Abstract: A matrix comprising a water-insoluble .beta.-1,3-glucan gel in the shape of beads with diameters within the range of about 5 to 1000 .mu. is prepared by, for example, dispersing an alkaline aqueous solution of a water-insoluble .beta.-1,3-glucan in a water-immiscible organic solvent, and adding an organic acid to the resultant dispersion. The matrix is useful as carrier materials for immobilized enzymes, affinity chromatography, gel filtration, ion exchange and other applications.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: March 6, 1979
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yutaka Miyashiro, Masao Ogawa, Yoshio Yamazaki, Seizi Igarasi