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:
Jun. 26, 2012
Filed:
Oct. 07, 2011
Applicants:
Pierre Vanhoorne, Monheim, DE;
Hans-jurgen Wedemeyer, Leverkusen, DE;
Inventors:
Pierre Vanhoorne, Monheim, DE;
Hans-Jurgen Wedemeyer, Leverkusen, DE;
Assignee:
LANXESS Deutschland GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 12/02 (2006.01); C08F 16/12 (2006.01); C07H 1/06 (2006.01); B01J 49/00 (2006.01); B01J 39/20 (2006.01); C02F 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
Strongly acidic cation exchangers with high mechanical, osmotic and oxidation stability can be prepared by sulfonating bead polymers formed from one or more vinylaromatic monomer(s), one or more crosslinker(s) and from 0.2 to 20% by weight of one or more vinyl ethers and/or vinyl esters.