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. 29, 1976
Filed:
Dec. 20, 1974
Applicant:
Inventors:
John Lawrence Hughes, Kankakee, IL (US);
Jay Kenneth Seyler, Bourbonnais, IL (US);
Carroll M Smith, Park Forest, IL (US);
Assignee:
Armour Pharmaceutical Company, Phoenix, AZ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 2602 / ; 2602 / ; 2602 / ; 424248 ; 424258 ;
Abstract
Compounds having the structure: ##SPC1## In which R.sub.1 and R.sub.2 are alkoxy groups of one to four carbon atoms, R.sub.3 and R.sub.4 each is hydrogen or an alkoxy group of one to four carbon atoms, and R.sub.5 and R.sub.6 each is an alkyl group of one to four carbon atoms or an arylalkyl group such as benzyl or R.sub.5 taken with R.sub.6 and N are pyrrolidinyl, piperidino, or morpholino groups and the pharmaceutically acceptable salts thereof and processes for preparing these compounds. These compounds are useful as vasodilators.