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:
Apr. 15, 2014
Filed:
Aug. 08, 2012
Applicants:
Petra Deckert, Bammental, DE;
Leo Denissen, Brasschaat, BE;
Bart Van DE Voorde, Antwerpen, BE;
Julia Leschinski, Ixelles, BE;
Stefan Robert Deibel, Hoeilaart, BE;
Matthias Fankhaenel, Dackenheim, DE;
Samuel Neto, Brussels, BE;
Inventors:
Petra Deckert, Bammental, DE;
Leo Denissen, Brasschaat, BE;
Bart Van De Voorde, Antwerpen, BE;
Julia Leschinski, Ixelles, BE;
Stefan Robert Deibel, Hoeilaart, BE;
Matthias Fankhaenel, Dackenheim, DE;
Samuel Neto, Brussels, BE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07B 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for purifying crude aromatic nitro compounds which originate from the nitration of aromatic compounds, comprising the single or multiple performance of the following wash stage (a):