Patents by Inventor Bertrand L. J. Lenoble

Bertrand L. J. Lenoble 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).

  • Particulate foam control agents
    Patent number: 5589449
    Abstract: A particulate foam control agent comprises 1 to 30 parts silicone antifoam, 70 to 99 parts zeolite carrier, 1 to 60% of the antifoam of an organopolysiloxane polyoxyalkylene copolymer, deposited onto the zeolite carrier not later than the antifoam and 1 to 40 parts by weight of a polycarboxylate-type binder or encapsulant. This combination give good release in early stages, storage stability and powder characteristics.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: December 31, 1996
    Assignee: Dow Corning S.A.
    Inventors: Leonidas Kolaitis, Bertrand L. J. Lenoble, Mark A. Prince