Patents by Inventor Francois Wachowski

Francois Wachowski 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).

  • Photopolymerization of olefinically unsaturated monomers utilizing benzil dimethylacetal
    Patent number: 4404073
    Abstract: High molecular weight water-soluble polymers essentially devoid of residual monomer content and well adapted for use as flocculating agents, are prepared by photopolymerizing a thin layer of a deoxygenated aqueous solution of an olefinically unsaturated monomer continuously deposited upon a travelling support substrate, said aqueous solution containing a photopolymerization photoinitiator and said photoinitiator comprising benzil dimethylacetal.
    Type: Grant
    Filed: September 3, 1981
    Date of Patent: September 13, 1983
    Assignee: Rhone-Poulenc Industries
    Inventors: Alain Bartissol, Jean Boutin, Francois Wachowski