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Progil SARL
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Progil SARL
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Publication of FR622680ApublicationCriticalpatent/FR622680A/en
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
C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
FR622680D1926-02-061926-02-06
Method for the concentration of acetic acid in extended solutions
ExpiredFR622680A
(en)