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. 09, 1987
Filed:
Jan. 16, 1985
Applicant:
Inventor:
Laurence J Nummy, Newburgh, NY (US);
Assignee:
Nepera Chemical Co., Harriman, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ; C07B / ; C07B / ; C07D / ;
U.S. Cl.
CPC ...
546290 ; 546301 ; 546304 ; 546306 ; 546311 ; 546312 ;
Abstract
A process for preparing a 4-substituted pyridine product from a starting pyridine substituted in the 4-position by a leaving group susceptible to nucleophilic displacement when the starting pyridine is in quaternized form, comprises,