Patents Assigned to Nitta Gelatin Co., Ltd.
  • Patent number: 4533358
    Abstract: A process for producing a shaped product of collagen by a wet or electrochemical method from a pasty composition comprising a collagenous substance or a mixture thereof with another high molecular substance. The composition or a product shaped therefrom is treated with a crosslinking agent, and the shaped product is frozen, and thawed.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: August 6, 1985
    Assignee: Nitta Gelatin Co., Ltd.
    Inventors: Yoshimasa Yoden, Tsuneo Okuda, Eiji Fuchigami, Toshihiro Kuwabara