Patents by Inventor Warren John Pollack

Warren John Pollack 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).

  • Polyurethane-modified alkyd resin
    Patent number: 4116902
    Abstract: A polyurethane-modified alkyd resin obtained by the process consisting of the steps (a) forming an alkyd resin by reacting an unsaturated fatty acid with an aromatic dicarboxylic acid or anhydride, and dimethylolpropionic acid with an excess of polyol, and (b) reacting the alkyd so formed with toluene diisocyanate.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: September 26, 1978
    Assignee: International Minerals & Chemical Corp.
    Inventors: Robert Richard Harris, Warren John Pollack