Patents Represented by Attorney Herbert S. Hanegan

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  • Process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene its polymerization, and hydrolysis
    Patent number: 4868256
    Abstract: The present invention relates to a process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene wherein the 3- or 3,5-substitution is independently C.sub.1 to C.sub.10 alkyl, chlorine, bromine, iodine, --NO.sub.2, --NH.sub.2, or --SO.sub.3 H, a process for its polymerization, hydrolysis, and use in a variety of compositions.
    Type: Grant
    Filed: August 2, 1988
    Date of Patent: September 19, 1989
    Assignee: Hoechst Celanese
    Inventors: Mohammad Aslam, Richard Vicari, Ralph Dammel, Juergen Lingnau, Karl-Friedrich Doessel