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:	Dhotre, Himani, Patel, Dilip N, Patel, Babulal R, Sarma, Narasimha, Shah, Arpan Kiritbhai, Wadia, Devang, Vyas, Janmejay Rajnikant, Sangani, Piyush
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES THEIR RELEVANT APPARATUS TRANSPORTING
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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%.