Patents by Inventor Beatrice Nedelec

Beatrice Nedelec 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).

  • Method of controlling foam
    Patent number: 5387364
    Abstract: Foam in an environment with free surface turbulence is controlled with a foam control agent which comprises (A) 5 to 90 parts by weight of an organopolysiloxane having at least 40% siloxane units with a substituent --Z.sub.z --R' wherein R' is a C.sub.9-35 alkyl group, Z is a linking group with silicon and z is 0 or 1, provided more than 70% by weight of its carbon content is due to the groups --Z.sub.z --R', (B) 0.1 to 30 parts by weight of a finely divided hydrophobic particulate material, (C) 5 to 95 parts by weight of a hydrocarbon oil and (D) 0 to 20 parts by weight of an organosilicon MQ resin.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: February 7, 1995
    Assignee: Dow Corning S.A.
    Inventors: Beatrice Nedelec, Franck A. D. Renauld, George C. Sawicki