The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2005
Filed:
Mar. 07, 2002
Marcel J. G. Janssen, Kessel Lo, BE;
An Verberckmoes, Serskamp, BE;
Machteld M. Mertens, Boortmeerbeek, BE;
Antonie Jan Bons, Kessel-Lo, BE;
Wilfried J. Mortier, Kessel Lo, BE;
Marcel J. G. Janssen, Kessel Lo, BE;
An Verberckmoes, Serskamp, BE;
Machteld M. Mertens, Boortmeerbeek, BE;
Antonie Jan Bons, Kessel-Lo, BE;
Wilfried J. Mortier, Kessel Lo, BE;
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
The present invention relates to a silicoaluminophosphate molecular sieve comprising at least one intergrown phase of molecular sieves having AEI and CHA framework types, wherein said intergrown phase has an AEI/CHA ratio of from about 5/95 to 40/60 as determined by DIFFaX analysis, using the powder X-ray diffraction pattern of a calcined sample of said silicoaluminophosphate molecular sieve. It also relates to methods for its preparation and to its use in the catalytic conversion of methanol to olefins.