Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Rhone Poulenc Industries SA
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Rhone Poulenc Industries SA
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Filing date
Publication date
Application filed by Rhone Poulenc Industries SAfiledCriticalRhone Poulenc Industries SA
Priority to FR7700314ApriorityCriticalpatent/FR2376855A1/fr
Publication of FR2376855A1publicationCriticalpatent/FR2376855A1/fr
Application grantedgrantedCritical
Publication of FR2376855B1publicationCriticalpatent/FR2376855B1/fr
C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/54—Preparation of carboxylic acid anhydrides
C07C51/573—Separation; Purification; Stabilisation; Use of additives
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Engineering & Computer Science
(AREA)
Oil, Petroleum & Natural Gas
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
FR7700314A1977-01-071977-01-07Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique
GrantedFR2376855A1
(fr)