Method for producing isocyanates

US7179935B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Eckhard Stroefer · Mannheim, DE
• Michael Ochse · Bad Dürkheim, DE
• Volker Krase · Schwarzheide, DE
• Andreas Schmidt · Schwarzheide, DE
• Matthias Kloetzer · Kröppen, DE
• Imbridt Murrar · Senftenberg - Zły Komorow, DE
• Gisbert Franzke · Schwarzheide, DE

Key dates

• Filing date: Feb 28, 2003
• Grant date: Feb 20, 2007
• Expiry date: Jun 26, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C263/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of isocyanates from carbamic esters.