Patents by Inventor Simon Willemse

Simon Willemse 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).

  • Antifoam ingredient
    Patent number: 4824593
    Abstract: An antifoam ingredient suitable for incorporation into a detergent powder comprises an antifoam material, for example, a hydrocarbon and/or a polysiloxane together with hydrophobic silica, enclosed within a matrix formed of a mixture of fatty acid and fatty acid soap.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: April 25, 1989
    Assignee: Lever Brothers Company
    Inventors: Peter W. Appel, Fabrizio Bortolotti, Francois Delwel, Fredrik Hornung, Alan D. Tomlinson, Simon Willemse