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:
Dec. 07, 1993
Filed:
Feb. 28, 1992
Claude Bernhart, Saint Gely Du Fesc, FR;
Bernard Ferrari, Les Matelles, FR;
Pierre Perreaut, Saint Gely Du Fesc, FR;
Elf Sanofi, Paris, FR;
Abstract
This invention relates to compounds of formula ##STR1## in which: R.sub.1 and R.sub.2 are similar or different and are each independently hydrogen or a group selected from CO.sub.2 N.dbd.C(NH.sub.2).sub.2, CONHNHCONH.sub.2, CONHNHCSNH.sub.2, C(OC.sub.2 H.sub.5).dbd.NCO.sub.2 CH.sub.3, COCH.sub.2 CO.sub.2 H.sub.5, N(OH)-CONHCOOC.sub.2 NCO.sub.2 CH.sub.3, COCH.sub.2 CO.sub.2 H.sub.5, N(OH)-CONHCOOC.sub.2 H.sub.5, C(OC.sub.2 H.sub.5).dbd.NH or a nitrogen heterocycle; with the proviso that at least one of the substituents R.sub.1 or R.sub.2 is other than hydrogen;
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile