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. 03, 2007
Filed:
Aug. 25, 2006
Applicants:
Wolfgang Podszun, München, DE;
Olaf Halle, Köln, DE;
Reinhold Klipper, Köln, DE;
Rudolf Wagner, Köln, DE;
Pierre Vanhoorne, Monheim, DE;
Wolfgang Zarges, Köln, DE;
Inventors:
Wolfgang Podszun, München, DE;
Olaf Halle, Köln, DE;
Reinhold Klipper, Köln, DE;
Rudolf Wagner, Köln, DE;
Pierre Vanhoorne, Monheim, DE;
Wolfgang Zarges, Köln, DE;
Assignee:
Lanxess Deutschland GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/10 (2006.01); C08F 20/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for producing weakly acidic cation exchangers of the polymethacrylic acid type by alkaline saponification of a crosslinked copolymer of alkyl methacrylate and methacrylic acid.