Process for selectively producing paraxylene

US3962363A · kind A · utility

Assignee

• Institut Francais du Petrole des Carburants et Lubrifiants · FR

Inventors

• Albert Mabille · Saint-Servais, BE
• Inaki DE Aguirre · Heverlee, BE
• Christian Marcilly · Houilles, FR

Key dates

• Filing date: Sep 25, 1974
• Grant date: Jun 8, 1976
• Expiry date: Sep 25, 1994

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/52
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for selectively producing paraxylene comprising reacting toluene with methanol, dimethylether or vinyl chloride and at least one polymethylbenzene having 4 to 6 methyl groups or a condensed polymethylaromatic compound or a complex containing the same, in the presence, as catalyst, of a zeolite whose pore diameter is at least 7.5 A.