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. 30, 1990
Filed:
Jan. 19, 1989
Applicant:
Inventors:
Gerald L Goe, Greenwood, IN (US);
Charles K McGill, Indianapolis, IN (US);
Angela R Sherman, Lebanon, IN (US);
Assignee:
Reilly Industries, Inc., Indianapolis, IN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546260 ;
Abstract
A process for the preparation of 2,2'-bipyridyls by reacting a pyridine base in the presence of a nickel catalyst which comprises a significant amount of elemental nickel bound on a suitable support. The coupling reaction takes place in several reactor designs at a temperature of about 200.degree.-240.degree. C. and a pressure sufficient to maintain at least some of the base in a liquid state during the reaction.