Patents Represented by Attorney Michael S. Jaorsz

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  • Production of polyanhydride epoxide prepolymer compositions
    Patent number: 4034014
    Abstract: Polyanhydrides are produced by a novel bulk polymerization procedure from maleic monomers and alkyl styrenes. The polyanhydrides, of low molecular weight and containing maleic monomer to alkyl styrene in a ratio greater than 1 to 1, are particularly useful as hardeners for epoxy resin-containing compositions and give rise to epoxy compositions which result in cured products exhibiting high heat distortion temperatures and excellent electrical and shelf life properties.
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: July 5, 1977
    Assignee: Allied Chemical Corporation
    Inventors: Omer E. Curtis, Jr., Harold W. Tuller, Charles T. O'Neill, Ralph W. Nussbaum