OBTAINING ANTHRACENE AND CARBAZOLE BY MELT-CRYSTALLIZATION
In a method for obtaining anthracene and carbazole and their sequential products from the anthracene oil resulting during coal tar distillation or its purification products, anthracene oil or the purification product crude anthracene is converted into a melt without adding solvent, the melt is coole...
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Format: | Patent |
Sprache: | eng ; pol |
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