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:
Oct. 27, 1981
Filed:
Feb. 22, 1979
Applicant:
Inventor:
Peter Neumann, Berne, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544 55 ; 548190 ; 548193 ; 548202 ; 548134 ; 548245 ; 424270 ; 424272 ;
Abstract
The present invention concerns compounds of formula ##STR1## wherein X is O, S or NH; n is 1 or 2 and A is a 5-membered heterocyclic ring, wherein the bicyclic system may be substituted. The compounds are useful as myotonolytic and anti-hypertensive agents.