Patents by Inventor Murray F. Stewart

Murray F. Stewart 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).

  • Polyglycerol esters
    Patent number: 4456627
    Abstract: New polyglycerol fatty acid compositions wherein the polyglycerol moiety predominantly consists of di-, tri- or tetraglycerol, the fatty acid residues have a chain length of 16-18 carbon atoms and are substantially fully saturated and the degree of esterification ranges from 80 to 100%. Said compositions are particularly useful for producing margarines and low-fat spreads having improved butter-like properties and a reduced tendency to develop graininess.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: June 26, 1984
    Assignee: Lever Brothers Company
    Inventors: Jan Van Heteren, Cornelis Poot, Freek Reckweg, Murray F. Stewart