Patents by Inventor Francoise Boussel

Francoise Boussel 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).

  • Low viscosity stable aqueous dispersion of graft carbon black
    Patent number: 4530961
    Abstract: Aqueous dispersion of carbon black grafted with hydrophilic monomers such as alkali or ammonium carboxylate bearing polymers. The dispersion has a viscosity of about 2 to about 30 cP for a carbon black content of about 1-15% by weight.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: July 23, 1985
    Assignee: Battelle Memorial Institute
    Inventors: Van T. Nguyen, Gunter Bellmann, Francoise Boussel