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:
Dec. 16, 2003
Filed:
Nov. 21, 2002
Applicant:
Inventors:
Matthew Stewart Gebhart, New Britain, PA (US);
Kathleen Anne Koziski, Lansdale, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 3/02 ; B05D 5/00 ;
U.S. Cl.
CPC ...
B05D 3/02 ; B05D 5/00 ;
Abstract
An aqueous coating composition having improved adhesion to friable surfaces is provided. The aqueous coating composition includes a plurality of polymeric particles having a particle size of less than 120 nanometers, and containing at least two polymers, one of which contains, as polymerized units, acid functional monomers, water soluble monomers, or both. Optionally, the aqueous coating composition includes a nonionic surfactant. In addition, a method for improving adhesion to friable surfaces by using the aqueous coating compositions of the invention is provided.