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:
Jul. 29, 2008
Filed:
May. 06, 2004
Applicants:
Pia Baum, Weinheim, DE;
Erich Lutz, Ludwigshafen, DE;
Marcus Guzmann, Leimen, DE;
Karl-heinz Buechner, Altlussheim, DE;
Gregor Brodt, Heppenheim, DE;
Inventors:
Pia Baum, Weinheim, DE;
Erich Lutz, Ludwigshafen, DE;
Marcus Guzmann, Leimen, DE;
Karl-Heinz Buechner, Altlussheim, DE;
Gregor Brodt, Heppenheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/06 (2006.01); C08F 120/06 (2006.01); C08F 220/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A description is given of (meth)acrylic acid copolymers comprising methacrylic acid units and units based on isopropanol, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for the preparation thereof and the use thereof for watertreatment, scale inhibition in mineral oil extraction and corrosion inhibition in aqueous systems.