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. 23, 2003
Filed:
Oct. 11, 2000
Applicant:
Inventors:
Holger Lütjens, Köln, DE;
Reinhold Klipper, Köln, DE;
Georg Martin, Langenfeld, DE;
Alfred Mitschker, Odenthal, DE;
Michael Holzbrecher, Engelskirchen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/32 ; B01J 4/108 ;
U.S. Cl.
CPC ...
C08F 8/32 ; B01J 4/108 ;
Abstract
The present invention relates to a process for preparing gel-like anion exchangers by aminating crosslinked gel-like styrene divinybenzene bead polymers that contain halogenoalkyl groups in the presence of an inorganic salt and in the absence of organic solvents.
Lütjens, Holger. (2003). Method for producing osmotically and mechanically stable gel-like anion exchangers (U.S. Patent No. 6667349). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6667349
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile