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Houilleres du Bassin du Nord et du Pas de Calais
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Houilleres du Bassin du Nord et du Pas de Calais
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Application filed by Houilleres du Bassin du Nord et du Pas de CalaisfiledCriticalHouilleres du Bassin du Nord et du Pas de Calais
Priority to FR890246ApriorityCriticalpatent/FR1324368A/fr
Application grantedgrantedCritical
Publication of FR1324368ApublicationCriticalpatent/FR1324368A/fr
C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
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FR890246A1962-03-071962-03-07Procédé de préparation des acides benzène-polycarboxyliques
ExpiredFR1324368A
(fr)