Patents by Inventor Woonza Rhee

Woonza Rhee 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).

  • Collagen-polymer conjugates
    Patent number: 5162430
    Abstract: Collagen, particularly atelopeptide collagen, exhibits improved handling characteristics when chemically conjugated and/or crosslinked with a synthetic hydrophilic polymer.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: November 10, 1992
    Assignee: Collagen Corporation
    Inventors: Woonza Rhee, Donald G. Wallace, Alan S. Michaels, Ramon A. Burns, Jr., Louis Fries, Frank DeLustro, Hanne Bentz