Metal complex dyestuffs

Dyestuffs comprising 2:1 chromium complexes from mixtures of azo dyestuffs which in the free acid form are represented by formula (1): there being 60-95 mol% of the azo dyestuff wherein R is H and 40-5 mol% of the azo dyestuff wherein R is SO3H. These dyestuffs are good black colours for wool and ny...

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1. Verfasser:	RIDYARD, DENIS ROBERT ANNESLEY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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creator	RIDYARD, DENIS ROBERT ANNESLEY
description	Dyestuffs comprising 2:1 chromium complexes from mixtures of azo dyestuffs which in the free acid form are represented by formula (1): there being 60-95 mol% of the azo dyestuff wherein R is H and 40-5 mol% of the azo dyestuff wherein R is SO3H. These dyestuffs are good black colours for wool and nylon and may be obtained in the form of concentrated aqueous solutions. Their properties are better than could be expected from the aggregate of properties of the metal complex dyestuffs from individual azo dyestuffs of formula (1).
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These dyestuffs are good black colours for wool and nylon and may be obtained in the form of concentrated aqueous solutions. Their properties are better than could be expected from the aggregate of properties of the metal complex dyestuffs from individual azo dyestuffs of formula (1).</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
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subjects	ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
title	Metal complex dyestuffs
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