Molecular sieves and processes for their manufacture

US6090289A · kind A · utility

Assignee

• Exxon Research and Engineering Company · US

Inventors

• Johannes Petrus Verduijn · Spijkenisse, NL
• Antonie Jan Bons · Kessel-Lo, BE
• Marc H. Anthonis · Hofstade, BE
• Lothar Ruediger Czarnetzki · Leiderdorp, NL
• Wilfried J. Mortier · Kessel-Lo, BE

Key dates

• Filing date: Apr 3, 1997
• Grant date: Jul 18, 2000
• Expiry date: Apr 3, 2017

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2229/64
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Structures comprising an upper crystalline molecular sieve layer on a support, the crystals being at least partially oriented normal to the plane of the layer, there being a dense intermediate crystalline molecular sieve layer between the support and upper layer.