Patents Represented by Attorney Doreen Gwin

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  • Liquid pavement marking compositions
    Patent number: 6166106
    Abstract: A pavement marking composition, methods of applying, and pavement markings produced therefrom. The composition is a two-part coating composition having an amine component including one or more aspartic ester amines and optionally one or more amine-functional coreactants, an isocyanate component including one or more polyisocyanates, and material selected from the group of fillers, extenders, pigments, and combinations thereof.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: December 26, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Mark D. Purgett, David C. May, Mark D. Zender, Daniel J. Willie, Thomas R. Borden