AN IMPROVED PROCESS FOR THE PREPARATION OF INDIGO CARMINE

The present invention relates to an improved process for preparation of Indigo carmine of Formula (I), in high purity, more than 99.5%.

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Bibliographische Detailangaben
Hauptverfasser:	WADIA, Devang, SANGANI, Piyush, PATEL, Babulal, R, VYAS, Janmejay, Rajnikant, SARMA, Narasimha, PATEL, Dilip, N, DHOTRE, Himani, SHAH, Arpan, Kiritbhai
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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Beschreibung
Zusammenfassung:	The present invention relates to an improved process for preparation of Indigo carmine of Formula (I), in high purity, more than 99.5%.