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:
Apr. 24, 1990
Filed:
Dec. 22, 1986
Applicant:
Inventor:
Gilles Genain, Issy-les-Moulineaux, FR;
Assignee:
Laboratoires Syntex S.A., Puteaux, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ; C07F / ; C07D / ; C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546 21 ; 546153 ; 546155 ; 546157 ; 546159 ; 546167 ; 546257 ; 546258 ; 546268 ; 546269 ; 546270 ; 546271 ; 546273 ; 546274 ; 546280 ; 546283 ; 546284 ; 546286 ; 546287 ; 546288 ; 546289 ; 546291 ; 546294 ; 546295 ; 546296 ; 546297 ; 546298 ; 546299 ; 546307 ; 546308 ; 546309 ; 546310 ; 546316 ; 546318 ; 546321 ; 546322 ;
Abstract
Optically active compounds of formula 1 ##STR1## wherein R.sub.1 is H or lower alkyl;
Genain, Gilles. (1990). Resolution of 1,4-dihydropyridine derivatives (U.S. Patent No. 4920225). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4920225
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile