Patents by Inventor Denise M. Geary

Denise M. Geary 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).

  • Chip resistant coatings
    Patent number: 4804581
    Abstract: A coated article having improved chip resistance and a method of providing such a chip resistant coated article are disclosed. The article includes a metal substrate, a coating layer of an elastomer-modified epoxy derived from a polyepoxide and from 5 to 35 percent by weight of a functionally-terminate diene-containing polymer, and a carboxyl-functional material having a carboxyl-functionality of at least two such as a carboxyl-functional polyester, a carboxyl-functional acrylic polymer or a di- or polycarboxylic acid, and at least one additional coating layer having a different composition than the elastomer-modified epoxy containing layer.
    Type: Grant
    Filed: May 14, 1987
    Date of Patent: February 14, 1989
    Assignee: PPG Industries, Inc.
    Inventors: Denise M. Geary, Paul H. Pettit, Jr., Susan K. Vicha
  • Hydroxyalkylamide powder coating curing system
    Patent number: 4801680
    Abstract: The thermosetting powder coating composition which has good stability and gives good physical properties, such as exterior durability, appearance, flexibility, hardness, solvent resistance and corrosion resistance, is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing polyester and a beta-hydroxylalkylamide.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: January 31, 1989
    Assignee: PPG Industries, Inc.
    Inventors: Denise M. Geary, Paul H. Pettit, Jr., Marvin L. Kaufman, Susan K. Vicha