Patents by Inventor Edward R. Castle

Edward R. Castle 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 preparing emulsifying agents
    Patent number: 5213968
    Abstract: Emulsifying agents are prepared by sequentially treating a biological material with a protease and with a lipase. The enzymatically treated biological material may be pasteurized during or following the enzymatic treatment.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: May 25, 1993
    Assignee: Nestec S.A.
    Inventors: Edward R. Castle, Steven S.-Y. Kwon, Dharam V. Vadehra