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:
May. 16, 1995
Filed:
Jun. 22, 1993
Applicant:
Inventors:
Gerald R 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:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546260 ; 546257 ;
Abstract
Processes for the preparation of 2,2'-bipyridyls by reacting a pyridine base in the presence of an elemental nickel catalyst, along with an effective amount of borohydride salt and ammonium hydroxide to reduce the inactivation of the nickel catalyst during the reactions.