Process for preparing cyanopyridines and suitable catalysts therefor

US7795169B2 · kind B2 · utility

Assignee

• Vertellus Specialties Inc. · US

Inventors

• Achim Fischer · Gelnhausen, DE
• Andreas Martin · Salzburg, AT
• Bernhard Lucke · Berlin, DE
• Venkata Kalevaru · Hyderabad, IN
• Christoph Weckbecker · Gelnhausen, DE
• Klaus Huthmacher · Gelnhausen, DE

Key dates

• Filing date: Jul 30, 2004
• Grant date: Sep 14, 2010
• Expiry date: Jan 28, 2027

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2523/00
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to a method for the manufacture of cyanopyridines from methylpyridines by their conversion with ammonia and oxygen and catalysts suitable therefor which contain further transition metals in addition to vanadium and phosphorus.