Patents by Inventor Peter E. Ries

Peter E. Ries 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: 4389487
    Abstract: Process for the preparation of collagen products for medical and cosmetic purposes, wherein collagen products prepared according to the method described in U.S. Pat. No. 4,066,083 are subjected to an additional heat treatment or a treatment with gaseous hydrogen halide in order to improve the physicochemical and mechanical properties of the collagen product, in particular its absorption and mechanical strength.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: June 21, 1983
    Assignee: Pentapharm A.G.
    Inventor: Peter E. Ries
  • Patent number: 4066083
    Abstract: A sterile surgical collagen product which has a felt or fleece-like structure and which exerts a haemostatic action, has a high absorption capacity for body fluids, promotes the regeneration of tissues, is highly resorptive, has substantially no antigenic activity and has optimum mechanical properties so as to make it suitable for being applied to or introduced into wounds or into bone cavities.
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: January 3, 1978
    Assignee: Pentapharm A.G.
    Inventor: Peter E. Ries