Preparation of metal oxide sols by electrolysis

US5378400A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Manfred Parusel · Munster, DE
• Klaus Ambrosius · Frankfurt, DE
• Klaus-Dieter Franz · Kelkheim, DE
• Wolfgang Hechler · Herbstein, DE
• Matthias Schraml-Marth · Zwingenberg, DE

Key dates

• Filing date: Nov 30, 1992
• Grant date: Jan 3, 1995
• Expiry date: Nov 30, 2012

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/83
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to the preparation of single-multi-component metal oxide sols by hydrolysis of an aqueous metal salt solution or a solution of a metal salt mixture by direct electrolysis at -20.degree. to 50.degree. C.