Patents Represented by Attorney Bruce Cottrell

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  • 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