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:
Jul. 12, 1977
Filed:
Jun. 23, 1975
Applicant:
Inventor:
Hartmut Hauth, Riehen, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
424261 ; 2602855 ;
Abstract
The present invention concerns heterocyclic compounds of the formula: ##STR1## wherein R.sub.1 is hydrogen or alkyl. R.sub.2 is hydrogen or alkyl and R.sub.3 is substituted or unsubstituted 3-pyridyl, which compounds are useful as salidiuretics and agents for migraine treatment.