Patents by Inventor John Russel Yates

John Russel Yates 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).

  • Gelatin extraction
    Patent number: 4064008
    Abstract: In the treatment of collagen containing materials for gelatin extraction purposes, conditioning the collagen source enzymatically at pH 7-13 with protease, pH level being selected to match the pH optimum of the protease, for 4-72 hours, at 20.degree. - 40.degree. C.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: December 20, 1977
    Assignee: Novo Industri A/S
    Inventors: Bent Riber Petersen, John Russel Yates