Patents Represented by Attorney Herbert P. Price

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  • Dispersion polymerization process using hydroxyalkyl acrylate as protective colloids
    Patent number: 3957711
    Abstract: Aqueous dispersions of synthetic polymers have been made by polymerizing ethylenically unsaturated monomers in water in the presence of a protective colloid which is a polymer of a hydroxyalkyl acrylate or methacrylate. Such aqueous dispersions are useful in paints, adhesives and textile applications.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: May 18, 1976
    Assignee: Celanese Coatings & Specialties Company
    Inventors: Thomas M. Powanda, Ralph F. Patella, Edward J. Kuzma
  • Filtration aids in uranium ore processing
    Patent number: 3932276
    Abstract: Improved flocculation efficiency and filtration of carbonate leached uranium ore pulps are obtained by incorporating hydroxyalkyl guars in the filter feed slurry.
    Type: Grant
    Filed: May 9, 1974
    Date of Patent: January 13, 1976
    Assignee: Stein, Hall & Co., Inc.
    Inventors: Harold L. Ford, Nathan M. Levine, Alan Robert Risdon