Patents by Inventor William T. Flannigan

William T. Flannigan 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).

  • Compositions for the control of unwanted foam and their use
    Patent number: 4451390
    Abstract: A composition for the control of unwanted foaming comprising(a) Soya bean oil(b) a mineral oil(c) a finely divided silica(d) an unsubstituted fatty acid monoester of glycerol(e) an unsubstituted fatty acid ester of a polyoxyalkylated sorbitan.These compositions are valuable for the control of foam especially in fermentations since they are stable to sterilization.Also they may be used in paints since they do not give the defects often associated with silicone antifoams.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: May 29, 1984
    Assignee: Imperial Chemical Industries Inc.
    Inventor: William T. Flannigan