Patents by Inventor Peter F. DeMarco

Peter F. DeMarco 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: 4218482
    Abstract: A frozen pet food having the appearance, texture, consistency and temperature of ice cream, but which is nutritionally complete, healthful and unusually appetizing for the pet and methods for making the pet food. The pet food comprises a frozen homogeneous mixture of approximately one-third water and oil, approximately one-third minute gas bubbles and approximately one-third a mixture of a high protein source, animal fat, vitamins and minerals and peptizing and emulsifying agents therefor. The preferred oil is corn oil and the preferred protein source is dried whey, whey product, dried skim milk, casein and milk albumen. The pet food is made by grinding the high protein source, animal fat, emulsifying and peptizing agents, vitamins and minerals into very fine particles appropriate for forming a colloidal suspension in water, mixing the ground particles, oil and water, whipping air into the mixture, pouring the whipped mixture into individual serving sized containers and freezing the mixture.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: August 19, 1980
    Assignee: Detyzco, Inc.
    Inventors: C. Dale Cook, William J. Tyznik, Peter F. DeMarco