Process for making 4,4'-dihydroxydiphenyl sulfone

A process is described to make a dihydroxydiphenol sulfone product with a 4,4'-dihydroxydiphenol sulfone purity in excess of 90 wt. % by reaction of phenol and concentrated sulfuric acid in a solvent mixture containing a lower-boiling and a higher-boiling hydrocarbon, removal by azeotropic dist...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ERNST, ANDREAS B, CASPARI, GUNTER
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!