Patents Assigned to Collagen Development Corp.
  • Regenerated fiber collagen condom and method of preparation
    Patent number: 4349026
    Abstract: A novel collagen condom consists of isotropically-strong, crosslinked, regenerated fiber collagen. A method of preparation involves the steps of at least twice dipping a mandrel into an acidic collagen dispersion; slowly removing the mandrel under spinning conditions; neutralizing and drying the membrane between dippings; crosslinking the finally dried membrane while on the mandrel and removing the membrane from the mandrel.
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: September 14, 1982
    Assignee: Collagen Development Corp.
    Inventor: Teruo Miyata