Patents by Inventor John C. Bronikowski

John C. Bronikowski 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).

  • Process for hydrolyzing proteinaceous derivatives of the skin
    Patent number: 4151306
    Abstract: A process for hydrolyzing keratinous materials, comprising the steps of mechanically dewatering raw keratinous material to reduce the water content while maintaining the water in its liquid phase, applying heat and pressure to the dewatered material to hydrolyze the material, and drying the material. Also disclosed is the product produced by the foregoing process.
    Type: Grant
    Filed: November 25, 1977
    Date of Patent: April 24, 1979
    Inventors: Maurice A. Williams, Robert E. Horn, John C. Bronikowski