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:
Jan. 20, 2026
Filed:
Mar. 19, 2019
Applicants:
Rohm and Haas Company, Collegeville, PA (US);
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Jinfei Wang, Shanghai, CN;
Juan Zhao, Shanghai, CN;
Xiaohong Yang, Shanghai, CN;
Zhonghua Zhang, Shanghai, CN;
Dong Yun, Shanghai, CN;
Assignees:
DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);
ROHM AND HAAS COMPANY, Collegeville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 133/10 (2006.01); C08F 20/06 (2006.01); C09D 7/20 (2018.01);
U.S. Cl.
CPC ...
C09D 133/10 (2013.01); C08F 20/06 (2013.01); C09D 7/20 (2018.01);
Abstract
An aqueous dispersion comprising (i) multistage polymeric particles comprising structural units of a specific polymerizable surfactant and (ii) from zero to 5%, by weight based on the weight of the multistage polymeric particles, of a metal salt; and a coating composition comprising such aqueous dispersion and providing coating films with good tannin blocking, early block resistance and sandability properties.