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:
Feb. 07, 2017
Filed:
Jan. 15, 2016
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Jacob Wildeson, Chambersburg, PA (US);
John Kelly, Gastonia, NC (US);
Audrey Fujii-Cosyns, Mannheim, DE;
Harm Wiese, Laudenbach, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/22 (2006.01); C08F 2/44 (2006.01); C09D 5/00 (2006.01); C09D 133/00 (2006.01); C09D 133/08 (2006.01); C09D 133/10 (2006.01); C09D 143/02 (2006.01); C09D 133/12 (2006.01);
U.S. Cl.
CPC ...
C09D 5/002 (2013.01); C09D 133/00 (2013.01); C09D 133/08 (2013.01); C09D 133/10 (2013.01); C09D 133/12 (2013.01); C09D 143/02 (2013.01);
Abstract
An aqueous coating composition for blocking stains and a method of using the coating composition is described. The coating composition includes an aqueous dispersion of a copolymer that is derived from a single stage emulsion polymerization of an ethylenically unsaturated nonionic monomer, greater than 0 and less than 1.5% by weight of an ethylenically unsaturated strong acid monomer or salt thereof, and greater than 1.5% and less than 3% by weight of methacrylic acid.