Patents Represented by Attorney William J. Birmingham

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  • Process for sulfoethylation of high molecular weight acrylamide containing polysoap latex polymers
    Patent number: 4829121
    Abstract: Improved methods of sulfoethylation of high molecular weight polysoap acrylamide containing polymers to produce sulfoethylated acrylamide polymers in water-in-oil latex form having reduced specific viscosities (RSV's) above about 18.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: May 9, 1989
    Assignee: Nalco Chemical Company
    Inventors: Dodd W. Fong, Ralph W. Kaesler
  • Candelabra
    Patent number: D291922
    Type: Grant
    Filed: April 10, 1985
    Date of Patent: September 15, 1987
    Inventor: Craig R. Schaffer