Patents by Inventor Sigrid Edith Vorwerk

Sigrid Edith Vorwerk 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).

  • Bone void fillers and methods of making the same
    Patent number: 8142807
    Abstract: The invention relates to a material for use as bone void filler comprising soluble keratin protein. The material may be in the form of a putty, gel or emulsion. Additional components may be added to the material to improve handling characteristics and bone enhancement capabilities. The material may be formulated to serve as a suitable carrier for demineralized bone matrix. This invention also describes methods for making the material.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: March 27, 2012
    Assignee: Keraplast Technologies, Ltd.
    Inventors: Robert James Kelly, Clive Marsh, Mohammed Azam Ali, Sigrid Edith Vorwerk
  • Bone void fillers and methods of making the same
    Publication number: 20080206301
    Abstract: The invention relates to a material for use as bone void filler comprising soluble keratin protein. The material may be in the form of a putty, gel or emulsion. Additional components may be added to the material to improve handling characteristics and bone enhancement capabilities. The material may be formulated to serve as a suitable carrier for demineralized bone matrix. This invention also describes methods for making the material.
    Type: Application
    Filed: December 6, 2007
    Publication date: August 28, 2008
    Inventors: Robert James Kelly, Clive Marsh, Mohammed Azam Ali, Sigrid Edith Vorwerk