Process for preparing phosphoric acid esters

US6420465B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Nikolaus Janke · Dormagen, DE
• Reinhard Pech · Haan, DE
• Andreas Chrisochoou · Recklinghausen, DE
• Dieter Heinz · Heppenheim, DE
• Werner Bäcker · Bad Mergentheim, DE
• Kaspar Hallenberger · Leverkusen, DE

Key dates

• Filing date: Dec 4, 2000
• Grant date: Jul 16, 2002
• Expiry date: Dec 4, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing phosphoric acid esters, in particular monomeric bisaryl diphosphates, or bridged phosphates.