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Hoechst AG
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Hoechst AG
Farbwerke Hoechst AG
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Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
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Publication of FR1185991ApublicationCriticalpatent/FR1185991A/fr
C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/42—Separation; Purification; Stabilisation; Use of additives
C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
C07C51/445—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by steam distillation
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FR1185991D1956-11-101957-11-09Procédé de purification d'acides polyhalogénés
ExpiredFR1185991A
(fr)