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:
Mar. 15, 1988
Filed:
Aug. 29, 1984
Applicant:
Inventors:
Jean-Pierre Gesson, Chasseneuil du Poitou, FR;
Martine Mondon, Poitiers, FR;
Abdallah A Abdallah, Omdurman, SD;
Jean-Claude Jacquesy, Bruxerolles, FR;
Patricia Petit nee Monpontet, Poitiers, FR;
Assignee:
Laboratoires Hoechst S.A., , FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560255 ; 568326 ; 536-64 ;
Abstract
The present invention relates to new aglycons which correspond to the general formula: ##STR1## in which: R.sub.1, R.sub.2, R.sub.3 and R.sub.5, which can be identical or different, represent a hydrogen atom or a group OH, OMetal or OR.sub.4, R.sub.4 being a substituted or unsubstituted C.sub.1 to C.sub.6 alkyl group,