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. 28, 1981
Filed:
Aug. 02, 1978
Klaus Grychtol, Bad Durkheim, DE;
Hans Baumann, Wachenheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Metal complex compounds which in the form of the free acids correspond to the formula I ##STR1## where A is an aliphatic, carbocyclic or heterocyclic radical, E is an aliphatic or carbocyclic radical, B is a cyano, acyl, substituted sulfonyl, carboxylic acid ester or carboxamide radical, or B and E together with the carbon atoms by which they are linked may be an alicyclic or heterocyclic radical, F is an aliphatic, carbocylic or heterocyclic radical, L is --O--, --COO--, ##STR2## n is 1, 2, 3 or 4, Y is .dbd.CH-- or .dbd.N-- and Z is ##STR3## or the radical of a coupling component, alkyl being of 1 to 4 carbon atoms, and R is hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aryl or acyl and R.sup.1 and R.sup.2 are substituents conventionally present in dyes. The compounds of the formula I give fast dyeings on natural polyamides and synthetic nylons.