Spheroidally agglomerated basic cobalt(II) carbonate and spheroidally agglomerated cobalt(II) hydroxide, process for their production and their use

US6699453B1 · kind B1 · utility

Assignee

• H. C. Starck GmbH & Co. KG · DE

Inventors

• Astrid Gorge · Goslar, DE
• Juliane Meese-Marktscheffel · Goslar, DE
• Dirk Naumann · Lorsch, DE
• Armin Olbrich · Seesen, DE
• Frank Schrumpf · Goslar, DE

Key dates

• Filing date: Nov 24, 1997
• Grant date: Mar 2, 2004
• Expiry date: Oct 23, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to basic cobalt(II) carbonate, agglomerated from fine primary particles and of general composition Co[(OH)2]a[CO3]1−a, where 0.1≦a≦0.9, and to spheroidal cobalt(II) hydroxide, to a process for producing them and to their use.