Patents by Inventor William C. Rieken

William C. Rieken 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).

  • Expanded textured protein product and method for making same
    Patent number: 4418086
    Abstract: An expanded protein product is made by extruding a mix containing a proteinaceous material, an animal or vegetable fat, a non proteinaceous and non-farinaceous extrusion agent, sulfur and/or sulfur compound, plasticizers and water from a high pressure zone to a low pressure zone preferably followed by rehydration of the extrudate.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: November 29, 1983
    Assignee: General Foods Corporation
    Inventors: Richard P. Marino, Richard J. Rothamel, William C. Rieken
  • Dog food of improved acceptability
    Patent number: 4282254
    Abstract: The object of the invention is to provide a dog food of improved acceptability.Dog foods, no matter how nutritious, must be palatable for the dogs to receive the proper nutrition. This invention provides a dog food of improved palatability by the use of amino acid palatants selected from the group consisting of L-phenylalanine, L-tyrosine, L-tryptophan, L-methionine, L-arginine, L-isoleucine, L-leucine, L-serine, and any combination of these. The palatant is employed in any effective amount, usually from 0.001 to 0.8 wt. percent, on dry, intermediate-moisture, or canned dog food.
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: August 4, 1981
    Assignee: General Foods Corporation
    Inventors: Roger W. Franzen, Gerald Greber, William C. Rieken