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:
Dec. 20, 1983
Filed:
Jan. 20, 1982
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 564406 ; 560129 ; 562433 ; 562437 ;
Abstract
The invention relates to a process for the preparation of nitroanilines by the reaction of chloronitrobenzenes with ammonia at elevated temperature and under elevated pressure, and in the presence of chlorinated aromatic hydrocarbons. Nitroanilines are important precursors and intermediate products for the preparation of dyestuffs, pharmaceuticals and plant protection agents.