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:
May. 20, 2014
Filed:
Jul. 26, 2011
Applicants:
Thomas Knauf, Dormagen, DE;
Alexandre Racoes, Krefeld, DE;
Andreas Karl Rausch, Kaarst, DE;
Dietrich Wulf, Köln, DE;
Inventors:
Thomas Knauf, Dormagen, DE;
Alexandre Racoes, Krefeld, DE;
Andreas Karl Rausch, Kaarst, DE;
Dietrich Wulf, Köln, DE;
Assignee:
Bayer Intellectual Property GmbH, Monheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07B 43/02 (2006.01); C07C 201/00 (2006.01); C07C 209/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the continuous production of nitrobenzene by nitration of benzene with a mixture of nitric acid and sulfuric acid under adiabatic conditions, in which unreacted benzene is separated from the crude product obtained after phase separation before washing thereof, using the adiabatic heat of reaction.