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:
Jun. 09, 1998
Filed:
May. 16, 1996
Applicant:
Inventors:
Heinrich Hermann, Koln, DE;
Jurgen Gebauer, Troisdorf, DE;
Assignee:
Josef Meissner GmbH & Co., Koln, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568939 ; 568940 ;
Abstract
The selective introduction of a nitro group into an aromatic compound by mixtures of nitric acid and sulphuric acid, wherein the aromatic compound to be nitrated is conveyed to a central driving jet of the acid mixture in such a way that it surrounds the mixed acid jet.