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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Publication of FR702641ApublicationCriticalpatent/FR702641A/fr
C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
C07C63/33—Polycyclic acids
C07C63/337—Polycyclic acids with carboxyl groups bound to condensed ring systems
C07C63/34—Polycyclic acids with carboxyl groups bound to condensed ring systems containing two condensed rings
C07C63/40—Polycyclic acids with carboxyl groups bound to condensed ring systems containing two condensed rings containing three or more carboxyl groups all bound to carbon atoms of the condensed ring system
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FR702641D1929-09-281930-09-25Procédé de préparation de l'acide 1.4.5.8-naphtalène-tétra-carboxylique et de ses dérivés
ExpiredFR702641A
(fr)