Patents by Inventor Alan S. Herford

Alan S. Herford 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: 9770538
    Abstract: Skin regeneration or grafting is promoted utilizing a structure including a multi-layer sheet of collagen membrane material which includes a purified collagen barrier sheet material derived from natural collagen-containing tissue, the barrier sheet material including a barrier layer with an outer smooth barrier face and a fibrous face opposite the smooth barrier face. The structure further includes a matrix layer of collagen sponge material adjacent to the fibrous face. The matrix layer of collagen sponge material is resorbed by a body of a subject at a substantially faster rate than the barrier sheet material.
    Type: Grant
    Filed: January 18, 2010
    Date of Patent: September 26, 2017
    Assignee: Geistlich Pharma AG
    Inventors: Alan S. Herford, Lothar Schloesser, Peter Geistlich
  • Publication number: 20110270394
    Abstract: Skin regeneration or grafting is promoted utilizing a structure including a multi-layer sheet of collagen membrane material which includes a purified collagen barrier sheet material derived from natural collagen-containing tissue, the barrier sheet material including a barrier layer with an outer smooth barrier face and a fibrous face opposite the smooth barrier face. The structure further includes a matrix layer of collagen sponge material adjacent to the fibrous face. The matrix layer of collagen sponge material is resorbed by a body of a subject at a substantially faster rate than the barrier sheet material.
    Type: Application
    Filed: January 18, 2010
    Publication date: November 3, 2011
    Applicant: GEISTLICH PHARMA AG
    Inventors: Alan S. Herford, Lothar Schloesser, Peter Geistlich