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BREVETS ETRANGERS LEFRANC ET C
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BREVETS ETRANGERS LEFRANC ET C
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Application filed by BREVETS ETRANGERS LEFRANC ET CfiledCriticalBREVETS ETRANGERS LEFRANC ET C
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Publication of FR720730ApublicationCriticalpatent/FR720730A/fr
C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/54—Preparation of carboxylic acid anhydrides
C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
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FR720730D1930-10-271930-10-27Procédé d'obtention des acides et des anhydrides de la série grasse à partir de sels alcalino-terreux correspondants
ExpiredFR720730A
(fr)