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. 24, 2026
Filed:
Aug. 19, 2021
Applicant:
Rohm and Haas Company, Collegeville, PA (US);
Inventors:
Jonathan Derocher, Coopersburg, PA (US);
Antony K. Van Dyk, Blue Bell, PA (US);
Qing Zhang, Collegeville, PA (US);
Assignee:
Rohm and Haas Company, Collegeville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/22 (2006.01); C08F 285/00 (2006.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
C08F 285/00 (2013.01); C08K 3/22 (2013.01); C08L 71/02 (2013.01); C08K 2003/2241 (2013.01);
Abstract
The present invention relates to a composition comprising an aqueous dispersion of opacifying pigment-binder hybrid polymer particles and a dispersant functionalized with a sulfur acid monomer absorbed to opacifying pigment particles. The composition of the present invention is useful for improving wet-hide performance in paints.