Patents by Inventor William S. Ryder

William S. Ryder 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).

  • Soluble coffee process
    Patent number: 4076855
    Abstract: Constituents of coffee extract which are normally insoluble are solubilized by a process involving removing the constituents from the coffee extract and adding an alkaline material to a dispersion of the constituents in an amount sufficient to raise the pH of the dispersion to at least about 7.0.
    Type: Grant
    Filed: February 16, 1973
    Date of Patent: February 28, 1978
    Assignee: General Foods Corporation
    Inventors: William S. Ryder, Joseph F. Mezzino