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:
Oct. 23, 1990
Filed:
Apr. 18, 1989
Applicant:
Inventors:
Michael Huellmann, Heppenheim, DE;
Rainer Becker, Bad Durkheim, DE;
Gerald Lauterbach, Ludwigshafen, DE;
Ernst Buschmann, Ludwigshafen, DE;
Heinz Eckhardt, Ludwigshafen, DE;
Walter Himmele, Walldorf, DE;
Christiane Brueckner, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ;
U.S. Cl.
CPC ...
549423 ; 556449 ; 560112 ; 560262 ; 568597 ; 568662 ; 568675 ; 568855 ;
Abstract
3,9-Dihydroxynonyne and its derivatives protected at the 9-OH function, of the general formula I ##STR1## where R is hydrogen or a conventional alcohol protective group, and processes for the preparation of the compounds I.