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. 13, 2024
Filed:
Feb. 13, 2018
Applicants:
Wacker Chemie Ag, Munich, DE;
Jin Zheng, Shanghai, CN;
Inventors:
Jin Zheng, Shanghai, CN;
Lingyun Huang, Shanghai, CN;
Yun Li, Shanghai, CN;
Haoqing Sun, Shanghai, CN;
Jiyang Zhang, Shanghai, CN;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/28 (2006.01); C04B 24/26 (2006.01); C04B 40/00 (2006.01); C08L 29/04 (2006.01); C08L 33/14 (2006.01); C08L 33/26 (2006.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
C08F 220/285 (2020.02); C04B 24/2623 (2013.01); C04B 24/2647 (2013.01); C04B 24/2652 (2013.01); C04B 40/0039 (2013.01); C08L 29/04 (2013.01); C08L 33/14 (2013.01); C08L 33/26 (2013.01); C08L 71/02 (2013.01); C08L 2201/50 (2013.01); C08L 2201/54 (2013.01); C08L 2205/035 (2013.01);
Abstract
Vinyl ester/ethylene copolymer aqueous dispersions containing an anionic polyacrylamide, at least one polyvinyl alcohol, and optionally a non-ionic surfactant, are useful in cementitious compositions as polymer additives.