Patents by Inventor Raznik Vartan-Boghossian

Raznik Vartan-Boghossian 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).

  • Aqueous dispersions
    Patent number: 5314942
    Abstract: An aqueous polymer dispersion containing a vinyl polymer and a nonionic water-dispersible polyurethane having pendent polyoxyethylene chains, the vinyl polymer having been formed by the free radical polymerization of at least one vinyl monomer in the presence of an aqueous dispersion of the polyurethane. The dispersions are useful as coating compositions.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: May 24, 1994
    Assignee: ICI Americas, Inc.
    Inventors: Richard G. Coogan, Raznik Vartan-Boghossian