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. 17, 2012
Filed:
Dec. 30, 2008
Applicants:
Catherine Ann Finegan, Warrington, PA (US);
Ozzie M. Pressley, Cheltenham, PA (US);
William D. Rohrbach, Perkasie, PA (US);
Wei Zhang, Maple Glen, PA (US);
Inventors:
Catherine Ann Finegan, Warrington, PA (US);
Ozzie M. Pressley, Cheltenham, PA (US);
William D. Rohrbach, Perkasie, PA (US);
Wei Zhang, Maple Glen, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 230/02 (2006.01); C08F 220/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A waterborne coating composition is provided, comprising a vinyl copolymer with an optimized level of phosphorus-containing functional groups in conjunction with at least 20% by weight of the copolymer, of ethyl acrylate, methyl acrylate or combinations thereof and one or more opacifying colorants, preferably titanium dioxide.