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:
Dec. 05, 2017
Filed:
Aug. 08, 2014
Applicant:
Lanxess Deutschland Gmbh, Cologne, DE;
Inventors:
Reinhold Klipper, Cologne, DE;
Wolfgang Zarges, Cologne, DE;
Olaf Halle, Cologne, DE;
Michael Schelhaas, Cologne, DE;
Assignee:
LANXESS DEUTSCHLAND GMBH, Cologne, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/32 (2006.01); C08J 7/12 (2006.01); B01D 15/36 (2006.01); B01D 19/00 (2006.01); C08J 5/20 (2006.01); C10G 31/00 (2006.01); C10L 3/10 (2006.01); B01J 45/00 (2006.01); C08F 212/14 (2006.01); B01J 41/14 (2006.01); C02F 1/42 (2006.01); C08F 8/02 (2006.01); C02F 101/20 (2006.01);
U.S. Cl.
CPC ...
C08J 7/12 (2013.01); B01D 15/361 (2013.01); B01D 19/0005 (2013.01); B01J 41/14 (2013.01); B01J 45/00 (2013.01); C02F 1/42 (2013.01); C08F 8/02 (2013.01); C08F 212/14 (2013.01); C08J 5/20 (2013.01); C10G 31/00 (2013.01); C10L 3/101 (2013.01); C02F 2001/422 (2013.01); C02F 2001/425 (2013.01); C02F 2101/20 (2013.01); C08J 2325/08 (2013.01); C10L 2290/54 (2013.01);
Abstract
The invention relates to a method of producing monodisperse amidomethylated vinylaromatic bead polymers, to ion exchangers prepared from these monodisperse amidomethylated vinylaromatic bead polymers by alkaline hydrolysis, to the method of using said monodisperse amidomethylated vinylaromatic bead polymers in the manufacture of ion exchangers and chelating resins, and also to the method of using these ion exchangers in the removal of heavy metals and noble metals from aqueous solutions or gases.