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. 04, 2006
Filed:
Jun. 21, 2002
Applicants:
Hugues Vandenmersch, Wachenheim, DE;
Hartwig Voss, Frankenthal, DE;
Stefan Orsten, Ellerstadt, DE;
Christian Wulff, Mannheim, DE;
Inventors:
Hugues Vandenmersch, Wachenheim, DE;
Hartwig Voss, Frankenthal, DE;
Stefan Orsten, Ellerstadt, DE;
Christian Wulff, Mannheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/22 (2006.01); C07F 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the recovery of N-phosphonomethylglycine from an aqueous mixture which contains N-phosphonomethylglycine, ammonium halides, and alkali metal or alkaline earth metal halides and optionally organic impurities in dissolved form, where The process according to the invention makes possible the recovery of the N-phosphonomethylglycine with simultaneous separation of the halide salts.