5, 5'-diamino-1, 1'-dianthrimide carbazole-sulfonic acids and a process for their preparation
A vat dyestuff of the formula is made by sulphonating 5: 51-diamino-1: 11-dianthrimide carbazole with chlorosulphonic acid in the presence of a tertiary amine, such as pyridine. An example is given.
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| creator | JOST MAX |
| description | A vat dyestuff of the formula is made by sulphonating 5: 51-diamino-1: 11-dianthrimide carbazole with chlorosulphonic acid in the presence of a tertiary amine, such as pyridine. An example is given. |
| format | Patent |
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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 | 5, 5'-diamino-1, 1'-dianthrimide carbazole-sulfonic acids and a process for their preparation |
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