Patents by Inventor Yoshihiko Gion

Yoshihiko Gion 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 producing substantially pure albumin using carboxylic acids and ammonium sulfate
    Patent number: 4754019
    Abstract: High purity albumin can be recovered in high yield from human plasma protein solution containing albumin by heat-treatment of the solution to denature and precipitate non-albumin proteins in a combination of specific conditions such as protein concentration of the solution, pH, heating time and temperature, the concentration of precipitant ammonium sulfate.
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: June 28, 1988
    Assignee: The Green Cross Corporation
    Inventors: Yoshihiko Gion, Yasuo Uehara, Minoru Inosaka, Sadao Yabushita