Patents by Inventor Margo Raate Schaefer

Margo Raate Schaefer 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).

  • Aqueous composition
    Patent number: 6376600
    Abstract: Aqueous dispersion of copolymers formed by the polymerization of a monomer mixture containing 0.05% to less than 4.5% by weight of certain terminally unsaturated oligomers are useful for improving the scrub resistance, corrosion resistance, opacifying capacity and/or efflorescence resistance of a coating.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: April 23, 2002
    Assignee: Rohm and Haas Company
    Inventors: Robert David Solomon, Bradley Keith Hageman, Leo Joseph Procopio, Margo Raate Schaefer, Gary David Greenblatt, Stephen Scott Edwards, Gary Robert Larson, Alvin Michael Maurice, Stewart Orlyn Williams, Patricia Marie Lesko, Peter Reeves Sperry