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:
Oct. 21, 1980
Filed:
Sep. 25, 1978
Applicant:
Inventors:
Erik Bengtsson, Karlskoga, SE;
Boris Holm, Karlskoga, SE;
Assignee:
Aktiebolaget Bofors, Bofors, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568706 ;
Abstract
Preparation of nitro compounds of phenols and alkyl substituted derivatives thereof which includes nitrosating phenols or alkyl derivative thereof, oxidizing the nitroso compound, separating off nitrogen oxides, separating nitro compounds from reaction mixture, and subjecting mother liquor and washing liquids to destructive oxidation at elevated temperatures and recycling nitrogen oxides and nitric acid.