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:
Aug. 25, 1981
Filed:
Feb. 11, 1980
Applicant:
Inventor:
Hiroshi Yoshikawa, Fujioka, JP;
Assignee:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ;
Abstract
Disclosed herein is a process for producing 2-chloro-6-nitrobenzonitrile by making reaction of 2,3-dichloronitrobenzene and an alkali cyanide in an aprotic solvent or in a basic solvent in the presence of cuprous chloride or in the presence of cuprous chloride and a cupric salt.