Process for fining oxide melts

US5509951A · kind A · utility

Assignee

• Schott Glaswerke · DE

Inventors

• Friedrich G. K. Baucke · Schlotheim, DE
• Thomas Pfeiffer · Kumhausen, DE

Key dates

• Filing date: Mar 8, 1993
• Grant date: Apr 23, 1996
• Expiry date: Mar 8, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03B5/193
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

In a process for fining oxide melts, comprising fining an oxide melt with gas generated electrochemically in situ in the oxide melt, oxygen is generated in situ electrolytically as the fining gas. Alternating, as well as direct, voltage may be employed.