PROCESS FOR THE TREATMENT OF EFFLUENT FROM THE SYNTHESIS OF COPPER PHTHALOCYANINE

1492086 Treatment of copper phthalocyanine process effluent BAYER AG 3 Oct 1975 [12 Oct 1974] 40587/75 Heading C4P The mother liquor obtained from the synthesis of copper phthalocyanine is adjusted to pH 3 to 9 and the precipitated products are separated. The process may be continuous. The copper ph...

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Hauptverfasser:	MULLER, GERD, HORNLE, REINHOLD, BAURECHT, HEINZ-EWALD
Format:	Patent
Sprache:	eng
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 TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator	MULLER GERD HORNLE REINHOLD BAURECHT HEINZ-EWALD
description	1492086 Treatment of copper phthalocyanine process effluent BAYER AG 3 Oct 1975 [12 Oct 1974] 40587/75 Heading C4P The mother liquor obtained from the synthesis of copper phthalocyanine is adjusted to pH 3 to 9 and the precipitated products are separated. The process may be continuous. The copper phthalocyanine may be synthesized by the phthalic anhydride/urea process or processes using phthalodinitrile. The pH of the mother liquor is about 1. The precipitated products including copper salts, e.g. the hydroxide or basic copper salts, phthalimide and Mo may be recycled to the synthesis process to increase yield.
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The process may be continuous. The copper phthalocyanine may be synthesized by the phthalic anhydride/urea process or processes using phthalodinitrile. The pH of the mother liquor is about 1. 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The process may be continuous. The copper phthalocyanine may be synthesized by the phthalic anhydride/urea process or processes using phthalodinitrile. The pH of the mother liquor is about 1. The precipitated products including copper salts, e.g. the hydroxide or basic copper salts, phthalimide and Mo may be recycled to the synthesis process to increase yield.</abstract><oa>free_for_read</oa></addata></record>
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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 TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title	PROCESS FOR THE TREATMENT OF EFFLUENT FROM THE SYNTHESIS OF COPPER PHTHALOCYANINE
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