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. 24, 1980
Filed:
Jan. 29, 1979
Applicant:
Inventor:
George Fuller, Bristol, GB;
Assignee:
I.S. C. Chemicals Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ;
Abstract
A process for the production of a fluorobenzonitrile wherein a chlorobenzonitrile having a chlorine atom in an ortho- or para- position with respect to a nitrile group is heated with an alkali metal fluoride at a temperature between 200.degree. and 250.degree. C., in the presence of sulpholane.