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. 08, 2024
Filed:
Jun. 13, 2019
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Dow Silicones Corporation, Midland, MI (US);
Xiangting Dong, Shanghai, CN;
Ling Li, Louyang, CN;
Zhihua Liu, Shanghai, CN;
Hui Liu, Shanghai, CN;
Wei Cui, Shanghai, CN;
Baoqing Zheng, Shanghai, CN;
Zhi Juan Gong, Shanghai, CN;
Yan Wu, Shanghai, CN;
Changkun Piao, Shanghai, CN;
Jia Tang, Shanghai, CN;
Dong Yun, Shanghai, CN;
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Dow Silicones Corporation, Midland, MI (US);
Abstract
An aqueous dispersion comprising a multistage polymer comprising a first polymer and a second polymer that comprises structural units of an ethylenically unsaturated siloxane monomer, the multistage polymer comprising, by weight based on the weight of the multistage polymer, 4.5% or more of structural units of the ethylenically unsaturated siloxane monomer, and the coagulum content of the aqueous dispersion is less than 2,000 ppm after filtration through a 44 micron sieve.