Patents by Inventor J. W. Sawhill

J. W. Sawhill 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: 5185174
    Abstract: A method of producing non-hygroscopic solids from aqueous food solutions of sugars and proteins by mixing an aqueous solution which contains at least 45 weight percent solids comprising at least 20 percent of protein or sugar or mixtures thereof with additives comprising calcium oxide or hydroxide and a soluble phosphate. The resultant mixture is then dried by evaporation to reduce its moisture content to less than twelve weight percent. Depending on the intended use of the product, the mixture can be formed or shaped into the desired form and then dried, or the mixture can be dried and comminuted to produce a free-flowing granular product.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: February 9, 1993
    Assignee: Pacific Kenyon Corporation
    Inventor: J. W. Sawhill