Patents Represented by Attorney R. W. Hummer

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  • Method for preparing polymers from water soluble vinyl monomers
    Patent number: 4020256
    Abstract: A concentrated solution of a water-soluble vinyl monomer is mixed at or below room temperature with an effective amount of a peroxide catalyst and the resulting solution is freed of inhibitory oxygen and thereafter atomized into a reaction vessel containing an atmosphere of gaseous sulfur dioxide to produce a polymer product by redox catalysis.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: April 26, 1977
    Assignee: The Dow Chemical Company
    Inventors: Maurice L. Zweigle, Samuel J. Kasley