Patents Represented by Attorney B. C. Colley

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  • Stabilized polycarbonate compositions
    Patent number: 4409349
    Abstract: Polycarbonates are heat stabilized by the incorporation of a dioxolane compound having a boiling point greater than about 250.degree. C. The amount of dioxolane compound used is from 100 to 10,000 parts per million.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: October 11, 1983
    Assignee: The Dow Chemical Company
    Inventor: George E. Ham