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:
Jan. 30, 1990
Filed:
Sep. 02, 1987
Applicant:
Inventors:
Michel Langlois, Buc, FR;
Alain-Rene Schoofs, Paris, FR;
Jean-Francois Rumigny, Rueil Malmaison, FR;
Philippe Dostert, Paris, FR;
Margherita Strolin-Benedetti, Paris, FR;
Patrice Renaut, Fontaine Les Dijon, FR;
Assignee:
Delalande S.A., Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514376 ; 548229 ; 548232 ;
Abstract
A mixture of the 4 stereoisomers of formula (I) below, each of the pairs of corresponding racemic diastereoisomers and each of the enantiomers corresponding to each pair, that is to say each of said stereoisomers: ##STR1## in which R.sub.1 represents: a hydrogen atom,