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DISTILLERIES DES DEUX SEVRES
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DISTILLERIES DES DEUX SEVRES
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Publication of FR667031ApublicationCriticalpatent/FR667031A/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
C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
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FR667031D1928-01-071929-01-07Procédé continu de fabrication d'acide formique anhydre à partir de ses solutionsaqueuses
ExpiredFR667031A
(fr)