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:
Dec. 04, 1990
Filed:
Dec. 14, 1989
Applicant:
Inventors:
John P Carter, Baltimore, MD (US);
Waclaw J Rzeszotarski, Millersville, MD (US);
Assignee:
Marion Laboratories, Inc., Kansas City, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514305 ; 546137 ;
Abstract
The four stereoisomers are disclosed having the formula: ##STR1## in which the asymmetric centers a and b are the same or different. The compounds are derived from the (+) and (-) alcohols and the (+) and (-) dihydropyridines and have either the absolute R or S configuration. Also disclosed are pharmaceutical compositions comprising an effective amount of the compounds in a pharmaceutically acceptable carrier and methods for producing cardiotonic activity using the compositions.