The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2002
Filed:
Dec. 11, 2000
Robert David Solomon, Souderton, PA (US);
Bradley Keith Hageman, Pottstown, PA (US);
Leo Joseph Procopio, Lansdale, PA (US);
Margo Raate Schaefer, Lansdale, PA (US);
Gary David Greenblatt, Rydal, PA (US);
Stephen Scott Edwards, Horsham, PA (US);
Gary Robert Larson, Hatfield, PA (US);
Alvin Michael Maurice, Lansdale, PA (US);
Stewart Orlyn Williams, Hatfield, PA (US);
Patricia Marie Lesko, Ottsville, PA (US);
Peter Reeves Sperry, Doylestown, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
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.