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:
Mar. 29, 2011
Filed:
Oct. 08, 2009
Machteld M. Mertens, Boortmeerbeek, BE;
An Verberckmoes, Serskamp, BE;
Marcel J. Janssen, Kessel-Lo, BE;
Yun Feng Chang, Houston, TX (US);
Luc R. M. Martens, Melae, BE;
Stephen Neil Vaughn, Kingwood, TX (US);
Kenneth Ray Clem, Humble, TX (US);
Wilfried J. Mortier, Kessel-Lo, BE;
Machteld M. Mertens, Boortmeerbeek, BE;
An Verberckmoes, Serskamp, BE;
Marcel J. Janssen, Kessel-Lo, BE;
Yun Feng Chang, Houston, TX (US);
Luc R. M. Martens, Melae, BE;
Stephen Neil Vaughn, Kingwood, TX (US);
Kenneth Ray Clem, Humble, TX (US);
Wilfried J. Mortier, Kessel-Lo, BE;
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A silicoaluminophosphate molecular sieve is disclosed that comprises first and second intergrown phases of a CHA framework type and an AEI framework type, wherein said first intergrown phase has an AEI/CHA ratio of from about 5/95 to about 40/60 as determined by DIFFaX analysis, the second intergrown phase has an AEI/CHA ratio of about 30/70 to about as determined by DIFFaX analysis and said molecular sieve has a silica to alumina molar ratio (Si/Al) from about 0.13 to about 0.24.