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. 11, 1996
Filed:
Nov. 23, 1994
Applicant:
Inventors:
Jean-Jacques Koenig, Maisons Laffitte, FR;
Samir Jegham, Argenteuil, FR;
Frederic Puech, Rueil Malmaison, FR;
Philippe Burnier, Maisons Laffitte, FR;
Assignee:
Synthelabo, Le Plessis Robinson, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514364 ; 548144 ;
Abstract
1,3,4-Oxadiazol-2(3H)-one derivatives, of formula ##STR1## in which R.sub.1 represents either a hydrogen atom or a linear or branched (C.sub.1-4)alkyl group which is substituted with a hydroxyl group, a phenoxy group, a (C.sub.1-4)alkoxy group, a (C.sub.1-4)alkylthio group, a mercapto group, a (C.sub.1-4)alkoxy-(C.sub.1-4)alkoxy group, a di(C.sub.1-4)alkylamino group or an N-(C.sub.1-4)alkyl-N-propynylamino group, or represents a (C.sub.3-4)alkynyl group, and