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. 18, 2020
Filed:
Oct. 16, 2017
Applicant:
Rohm and Haas Company, Collegeville, PA (US);
Inventors:
Tara Conley, Chalfont, PA (US);
Mark Langille, Audubon, PA (US);
James P. Maher, Freeland, MI (US);
John J. Rabasco, Allentown, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 7/43 (2018.01); C09D 7/61 (2018.01); C09D 7/41 (2018.01); C09D 7/00 (2018.01); C09D 133/04 (2006.01);
U.S. Cl.
CPC ...
C09D 7/43 (2018.01); C09D 7/00 (2013.01); C09D 7/41 (2018.01); C09D 7/61 (2018.01); C09D 133/04 (2013.01);
Abstract
The present invention relates to a deep base paint composition comprising a binder (an aqueous dispersion of polymer particles), an associative thickener with a hydrophobic portion having a calculated log P in the range of from 2.7 to 4.8. The composition of the present invention provides a mechanism for decreasing the viscosity sensitivity of a base paint to colorant addition.