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:
Oct. 06, 2015
Filed:
Mar. 03, 2015
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Sudhakar Balijepalli, Midland, MI (US);
Lidaris San Miguel Rivera, Midland, MI (US);
Shubhangi Hemant Nair, Pune, IN;
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 151/00 (2006.01); C09D 133/00 (2006.01);
U.S. Cl.
CPC ...
C09D 151/003 (2013.01); C09D 133/00 (2013.01);
Abstract
The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles and a dispersant adsorbed onto the surfaces of TiOparticles, wherein the dispersant is a water-soluble polymer functionalized with structural units of a carboxylic acid ester and tris(hydroxymethyl)aminomethane. The composition of the present invention is particularly useful for achieving high hiding for paints containing associative thickeners.