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:
Dec. 15, 2020
Filed:
Oct. 24, 2017
Applicants:
Rohm and Haas Company, Collegeville, PA (US);
Union Carbide Corporation, Seadrift, TX (US);
Inventors:
Scott Backer, Phoenixville, PA (US);
Randara Pulukkody, Norristown, PA (US);
Mahesh R. Sawant, Chester, PA (US);
Eric P. Wasserman, Collegeville, PA (US);
Assignees:
Rohm and Haas Company, Collegeville, PA (US);
Union Carbide Corporation, Seadrift, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 218/08 (2006.01); C08F 2/06 (2006.01); C08F 222/02 (2006.01); C08F 220/06 (2006.01); C08F 2/10 (2006.01);
U.S. Cl.
CPC ...
C08F 218/08 (2013.01); C08F 2/06 (2013.01); C08F 2/10 (2013.01); C08F 220/06 (2013.01); C08F 222/02 (2013.01); C08F 2800/20 (2013.01);
Abstract
A method for solution polymerization. The method comprises polymerizing in a solvent a monomer mixture comprising: (a) 5 to 95 wt % of a C-Cethylenically unsaturated dicarboxylic acid; and (b) 5 to 95 wt % of vinyl acetate; wherein the solvent comprises 51 to 88 wt % isopropanol and 12 to 49 wt % water.