PREPARATION FOR PHTHALIC ANHYDRIDE OF HIGH PURITY

PURPOSE:To remove impurities efficiently and obtain the titled compound industrially and advantagenously, by bringing crude phthalic anhydride obtained by the catalytic vapor phase oxidation into contact with a gas containing oxygen in the presence of an alkali metallic salt of a carboxylic acid and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KITA HIROICHI, SATOU TAKAHISA, SAKAMOTO KENTAROU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!