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. 19, 1977
Filed:
Dec. 30, 1974
Applicant:
Inventors:
Axel Vogel, Cologne, DT;
Friedrich Durholz, Remscheid, DT;
Rudolf Sundermann, Leverkusen, DT;
Guido Skipka, Leverkusen, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2604 / ; 2605 / ; 2604 / ; 260517 ; 2605 / ; 260688 ; 260645 ; 2603 / ; 2605 / ; 2602 / ; 2605 / ; 260369 ; 2605 / ; 260586 ; 2606 / ; 2604 / ; 2606 / ; 260352 ; 260515 ; 2604 / ;
Abstract
Nitroderivates of aromatic compounds which are difficult to nitrate, can readily be obtained by nitration providing that the aromatic compound is treated with nitric acid or another nitrating agent in the presence of aliphatic or cycloaliphatic hydrocarbons monosubstituted or polysubstituted by halogen, the nitro group or an alkyl sulphonyl group, and the nitro derivative formed subsequently isolated.