Process for preparing high-purity aluminum oxide by purification of alumina

US8524191B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Marcus Georg Schrems · Ludwigshafen, DE
• Anna Katharina Dürr · Ludwigshafen, DE
• Günther Huber · Munich, DE
• Jesus Enrique Zerpa Unda · Ludwigshafen, DE
• Katrin Freitag · São Paulo, BR
• Christian Eichholz · Mannheim, DE
• Franky Ruslim · Mannheim, DE

Key dates

• Filing date: Mar 6, 2012
• Grant date: Sep 3, 2013
• Expiry date: Mar 6, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/94
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A process for preparing aluminum oxide with a low calcium content, in which