SAIS DE METAIS POUCO SOLUVEIS EM AGUA PROCESSO PARA A SUA PREPARACAO E SUA UTILIZACAO COMO ADITIVOS DE BRILHO NA PRECIPITACAO ELECTROLITICA DE METAIS

PCT No. PCT/EP97/01389 Sec. 371 Date Sep. 16, 1998 Sec. 102(e) Date Sep. 16, 1998 PCT Filed Mar. 20, 1997 PCT Pub. No. WO97/35840 PCT Pub. Date Oct. 2, 1997The slightly water-soluble metal salts having the formula I wherein R1 and R2 are the same or different and represent hydrogen or a lower alkyl...

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Hauptverfasser:	EBERHARD KNAAK, CHRISTEL VAN WIJNGAARDEN, JOACHIM HEYER, MARLIES KLEINFELD
Format:	Patent
Sprache:	por
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY ORGANIC CHEMISTRY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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creator	EBERHARD KNAAK CHRISTEL VAN WIJNGAARDEN JOACHIM HEYER MARLIES KLEINFELD
description	PCT No. PCT/EP97/01389 Sec. 371 Date Sep. 16, 1998 Sec. 102(e) Date Sep. 16, 1998 PCT Filed Mar. 20, 1997 PCT Pub. No. WO97/35840 PCT Pub. Date Oct. 2, 1997The slightly water-soluble metal salts having the formula I wherein R1 and R2 are the same or different and represent hydrogen or a lower alkyl group of from 1 to 3 carbon atoms, M is the cation of a metal which forms slightly water-soluble sulfides, and n means 1 or 2, and mixtures thereof are prepared by reacting carbon disulfide with ketones having the formula II: optionally with the addition of non-aqueous inert solvents, in the presence of strong alkali, preferably potassium hydroxide, followed by precipitation of the slightly water-soluble metal salts of formula I by the addition of aqueous solutions of metal salts of the metals M. They are used as gloss additives to electrolytic baths.
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No. WO97/35840 PCT Pub. Date Oct. 2, 1997The slightly water-soluble metal salts having the formula I wherein R1 and R2 are the same or different and represent hydrogen or a lower alkyl group of from 1 to 3 carbon atoms, M is the cation of a metal which forms slightly water-soluble sulfides, and n means 1 or 2, and mixtures thereof are prepared by reacting carbon disulfide with ketones having the formula II: optionally with the addition of non-aqueous inert solvents, in the presence of strong alkali, preferably potassium hydroxide, followed by precipitation of the slightly water-soluble metal salts of formula I by the addition of aqueous solutions of metal salts of the metals M. 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subjects	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY ORGANIC CHEMISTRY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
title	SAIS DE METAIS POUCO SOLUVEIS EM AGUA PROCESSO PARA A SUA PREPARACAO E SUA UTILIZACAO COMO ADITIVOS DE BRILHO NA PRECIPITACAO ELECTROLITICA DE METAIS
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