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:
Nov. 18, 2014
Filed:
Feb. 01, 2012
Applicants:
Jürgen Detering, Limburgerhof, DE;
Bolette Urtel, Bobenheim-Roxheim, DE;
Stephan Nied, Neustadt / Wstr., DE;
Ewald Heintz, Schweigen-Rechtenbach, DE;
Inventors:
Jürgen Detering, Limburgerhof, DE;
Bolette Urtel, Bobenheim-Roxheim, DE;
Stephan Nied, Neustadt / Wstr., DE;
Ewald Heintz, Schweigen-Rechtenbach, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F 5/10 (2006.01); C02F 103/02 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
C02F 5/10 (2013.01); C02F 2103/023 (2013.01); C02F 2103/08 (2013.01);
Abstract
The invention relates to an aqueous solution of acrylic acid polymers, obtainable by polymerization of acrylic acid in feed mode with peroxodisulfate as initiator in the presence of hypophosphite in water as solvent, wherein