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. 01, 1991
Filed:
Apr. 27, 1990
Applicant:
Inventors:
Friedrich-Wilhelm Raulfs, Mannheim, DE;
Udo Mayer, Frankenthal, DE;
Andreas Oberlinner, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
558394 ; 558415 ; 564305 ; 564428 ;
Abstract
3-Aminophenylpentane-1,5-diones of the formula I ##STR1## where R.sup.1 and R.sup.2 are, independently of one another, hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.4 -C.sub.8 -cycloalkyl, cyano-C.sub.2 -C.sub.4 -alkyl, hydroxy-C.sub.2 -C.sub.4 -alkyl, chloro-C.sub.2 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.2 -alkyl which can be substituted by chlorine, or phenyl which can be substituted by clorine or methyl, or R.sup.1 and R.sup.2 form, together with the nitrogen to which they are bonded, a heterocyclic radical which can contain further hetero atoms,