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. 14, 2015
Filed:
Dec. 02, 2010
Applicants:
Michael Schelhaas, Köln, DE;
Pierre Vanhoorne, Monheim, DE;
Reinhold Klipper, Köln, DE;
Georg Martin, Langenfeld, DE;
Inventors:
Michael Schelhaas, Köln, DE;
Pierre Vanhoorne, Monheim, DE;
Reinhold Klipper, Köln, DE;
Georg Martin, Langenfeld, DE;
Assignee:
LANXESS DEUTSCHLAND GMBH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 45/00 (2006.01); C08F 28/02 (2006.01);
U.S. Cl.
CPC ...
B01J 45/00 (2013.01); C08F 28/02 (2013.01);
Abstract
The present invention relates to chelating resins containing methyleneaminoethylsulfonic acid groups, a process for producing them and also their use for removing heavy metals or metals of value from aqueous solutions having a pH of <4, preferably from process water in or from the electronics industry, the electroplating industry or the mining industry.