Process for the preparation of low-chloride aqueous titanyl nitrate solutions

US5238661A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Max E. Van Ghemen · Darmstadt, DE
• Dieter Heinz · Heppenheim, DE
• Matthias Kuntz · Seeheim-Jugenheim, DE

Key dates

• Filing date: Apr 2, 1992
• Grant date: Aug 24, 1993
• Expiry date: Apr 2, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01G23/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The application relates to a process for the preparation of low-chloride aqueous solutions of titanyl nitrate which have a chloride content of less than 200 ppm by treatment with nitric acid and excess nitric acid and/or hydrogen peroxide.