Patents by Inventor Mary E. Bingham

Mary E. Bingham has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sealer finish remover compositions
    Patent number: 5202049
    Abstract: A sealer finish remover composition containing a solvent, water, and an organosilicon complex formed from a silicate such as sodium metasilicate and a linear, 6-10 carbon, organic compound such as sodium n-octane sulfonate.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: April 13, 1993
    Assignee: Elf Atochem North America, Inc.
    Inventor: Mary E. Bingham
  • Floor finish remover compositions
    Patent number: 5096610
    Abstract: A floor finish remover composition containing a solvent, water, and an organosilicon complex formed from a silicate such as sodium metasilicate and a linear, 6-10 carbon, organic compound such as sodium n-octane sulfonate.
    Type: Grant
    Filed: November 6, 1990
    Date of Patent: March 17, 1992
    Assignee: Atochem North America, Inc.
    Inventor: Mary E. Bingham
  • Hydrolysis of acrylamide polymers
    Patent number: 4283507
    Abstract: This invention relates to a method for the hydrolysis of acrylamide polymers utilizing less than stoichiometric amounts of a hydrolysis agent selected from the group consisting of alkali metal hydroxides and alkali metal sulfites. The process is conducted with a water-in-oil emulsion (latex) of the acrylamide polymer at an elevated temperature and pressure.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: August 11, 1981
    Assignee: Nalco Chemical Company
    Inventors: Kenneth G. Phillips, Mary E. Bingham
  • Polymerization of water soluble polymers in water-in-oil latex form to produce emulsions containing high polymer solids levels and low oil levels
    Patent number: 4212784
    Abstract: A method of producing a water-in-oil emulsion of ammonium polyacrylate which comprises polymerizing a water-in-oil emulsion of ammonium acrylate in the presence of a water-in-oil emulsifier, and a free radical polymerization catalyst with the amount of oil initially present in said emulsion being at least 15% by weight, continuing said polymerization until substantially all of the ammonium acrylate has polymerized to form ammonium polyacrylate, allowing a major portion of the oil in the oil phase of the emulsion to separate as a polymer-free upper layer, thus leaving as a lower layer a water-in-oil emulsion of ammonium polyacrylate, which emulsion contains less than 10% by weight of oil. Also described are the polymeric emulsions produced using the above described method.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: July 15, 1980
    Assignee: Nalco Chemical Co.
    Inventors: Kenneth G. Phillips, Mary E. Bingham