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:
Jul. 01, 2025
Filed:
Apr. 12, 2021
Applicant:
Rohm and Haas Company, Collegeville, PA (US);
Inventors:
Juan F. Callejas, Audubon, PA (US);
Melinda L. Einsla, Royersford, PA (US);
Jeffrey J. Sobczak, Coatesville, PA (US);
Mark D. Westmeyer, Collegeville, PA (US);
Assignee:
Rohm and Haas Company, Collegeville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 133/04 (2006.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 7/80 (2018.01);
U.S. Cl.
CPC ...
C09D 133/04 (2013.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 7/80 (2018.01);
Abstract
The present invention relates to a process for preparing a blend of comprising an aqueous dispersion of polymer particles, a PMHS, an opacifying pigment, and an extender. The blend of the present invention is useful in exterior paint applications, especially where retention of color in the painted substrate is important.