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. 02, 1980
Filed:
Apr. 16, 1979
Applicant:
Inventors:
Simon F Campbell, Deal, GB;
John C Danilewicz, Ash, Nr. Canterbury, GB;
Colin W Greengrass, Sandwich, GB;
Assignee:
Pfizer Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424251 ; 544291 ; 546216 ;
Abstract
Regulators of the cardiovascular system and, in particular, in the treatment of hypertension having the formula ##STR1## pharmaceutically-acceptable bioprecursors thereof, and the pharmaceutically-acceptable acid addition salts thereof; wherein each of R.sup.1 and R.sup.2 is C.sub.1-4 alkyl or --CH.sub.2 CF.sub.3 ; alk is ethylene, monophenyl substituted ethylene, mono- and dimethyl substituted ethylene or monophenylmonomethyl substituted ethylene; and R.sup.3 is hydrogen, C.sub.1-4 alkyl, C.sub.3 -C.sub.6 cycloalkyl; phenyl or substituted phenyl; and methods for their preparation.