Process for preparing hydroxyaromatics

US6476277B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Bernd Vogel · Wiesbaden, DE
• Elias Klemm · Stuttgart, DE
• Mathias Seitz · Buckenhof, DE
• Jochen Heller · Uttenreuth, DE
• Jörg Reiser · Bayreuth, DE

Key dates

• Filing date: Jul 24, 2001
• Grant date: Nov 5, 2002
• Expiry date: Jul 24, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S977/896
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing hydroxyaromatics by oxidizing aromatics with dinitrogen monoxide in the gas phase in the presence of nanocrystalline zeolites.