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. 11, 1976
Filed:
Feb. 21, 1974
Applicant:
Inventor:
Bernard Loev, Broomall, PA (US);
Assignee:
SmithKline Corporation, Philadelphia, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424263 ; 424266 ; 2602 / ; 2602 / ; 2602 / ; 2602 / ;
Abstract
N-Substituted 1,4-dihydropyridines are prepared by reaction of the corresponding N-unsubstituted 1,4-dihydropyridines with an alkyl haloformate, an acid halide or a carbamyl halide in the presence of base. These compounds have hypotensive activity.