Patents by Inventor Paul A. Drees

Paul A. Drees 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).

  • Hydrosol coating compositions having improved stability
    Patent number: 4477609
    Abstract: An improved, stabilized container coating composition of an amine solubilized hydrosol resin solution of:(a) an acrylic-poly(vinyl acetal) co-resin having a number average molecular weight above 10,000 and a glass transition temperature of -20.degree. C. to +60.degree. C.;(b) an epoxy resin having a molecular weight of 300 to 8,000; and on the average 2 or less than 2 epoxy groups per molecule; and(c) an aminoplast, a phenolplast resin, or combination thereof.
    Type: Grant
    Filed: July 20, 1983
    Date of Patent: October 16, 1984
    Assignee: Inmont Corporation
    Inventors: Patrick F. Aluotto, Paul A. Drees, Charles A. Soucek
  • Aqueous organic coatings for metal surfaces
    Patent number: 4222919
    Abstract: Aqueous coating compositions for metal surfaces that exhibit superior steam processibility. The coating compositions comprise:(1) a water-reducible polyester resin and(2) a water-soluble cross-linking agent.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: September 16, 1980
    Assignee: Inmont Corporation
    Inventors: Patrick F. Aluotto, Paul A. Drees