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:
Apr. 05, 2022
Filed:
Oct. 09, 2018
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Marianne Creamer, Warrington, PA (US);
Severine Ferrieux, Valbonne, FR;
Eric Wasserman, Collegeville, PA (US);
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
A polymer comprising a first fraction and a second fraction, wherein the first fraction comprises from 90 to 100 wt % polymerized C-Ccarboxylic acid monomer units; and the second fraction comprises from 30 to 80 wt % polymerized C-Ccarboxylic acid monomer units and from 20 to 70 wt % polymerized sulfonic acid monomer units; wherein the first fraction is from 10 to 40 wt % of the polymer and the second fraction is from 60 to 90 wt % of the polymer; the polymer has Mfrom 3,000 to 30,000; and monomers are randomly distributed within each fraction.