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IG Farbenindustrie AG
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IG Farbenindustrie AG
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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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Organic Chemistry
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FR702678D1929-09-261930-09-26
Process for the preparation of 1.4.5.8-naphthalene-tetracarboxylic acid and its substitutes
ExpiredFR702678A
(en)