Patents Assigned to Groco Specialty Coatings Co.
  • Patent number: 9481806
    Abstract: A coating mixture is presented herein. In one aspect, the coating mixture is an aqueous mixture of water and a first thickening/releasing agent of poly(ethylene oxide), an aqueous dispersion mixture of vinyl acetate-acrylic copolymer, including a second thickening agent of a mixture of acrylate ester and methacrylic acid mixture; a third thickening agent of polyacrylate; and a second releasing agent of phosphate ester salt.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: November 1, 2016
    Assignee: Groco Specialty Coatings Co.
    Inventors: George W. Grogan, Robert H. Boyd
  • Patent number: 6936649
    Abstract: The present invention provides a strippable film coating mixture that includes a resin component having an acrylic polymer and a polyvinyl polymer, wherein the acrylic polymer comprises from about 20% to about 40% by weight of the mixture and the polyvinyl polymer comprises from about 10% to about 30% by weight of the mixture. The strippable film coating mixture also includes a moisture repellent/release agent comprising from about 0.3% to about 0.6% by weight of the mixture, a surface release agent comprising from about 0.3% to about 2% by weight of the mixture, and a plasticizer comprising from about 1% to about 3% by weight of the mixture with a remainder of the weight of the mixture comprising an aqueous medium ranging from about 45% to about 60% by weight of the mixture.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: August 30, 2005
    Assignee: Groco Specialty Coatings Co.
    Inventors: George W. Grogan, Robert H. Boyd