Patents Represented by Attorney John L. Alex

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  • Mineral filled, high impact, polyolefin molding compositions
    Patent number: 4006037
    Abstract: This invention relates to thermoplastic molding compositions suitable for molding or extruding articles such as thin-walled battery containers which possess high heat distortion temperatures and simultaneously excellent impact resistance at low temperature.
    Type: Grant
    Filed: November 4, 1974
    Date of Patent: February 1, 1977
    Assignee: The Richardson Company
    Inventors: Michael R. Tirpak, James J. Schouten, Charles E. Green