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:
Aug. 22, 2006
Filed:
Dec. 20, 2004
Guang Cao, Branchburg, NJ (US);
Machteld M. Mertens, Boortmeerbeek, BE;
Karl G. Strohmaier, Port Murray, NJ (US);
Richard B. Hall, Whitehouse Station, NJ (US);
Thomas Herman Colle, Houston, TX (US);
Mobae Afeworki, Stewartsville, NJ (US);
Antonie J. Bons, Kessel-Lo, BE;
Wilfried J. Mortier, Kessel-Lo, BE;
Chris Kliewer, Clinton, NJ (US);
Hailian LI, Sunnyvale, CA (US);
Anil S. Guram, San Jose, CA (US);
Robert J. Saxton, Pleasanton, CA (US);
Mark T. Muraoka, Mountain View, CA (US);
Jeffrey C. Yoder, San Jose, CA (US);
Guang Cao, Branchburg, NJ (US);
Machteld M. Mertens, Boortmeerbeek, BE;
Karl G. Strohmaier, Port Murray, NJ (US);
Richard B. Hall, Whitehouse Station, NJ (US);
Thomas Herman Colle, Houston, TX (US);
Mobae Afeworki, Stewartsville, NJ (US);
Antonie J. Bons, Kessel-Lo, BE;
Wilfried J. Mortier, Kessel-Lo, BE;
Chris Kliewer, Clinton, NJ (US);
Hailian Li, Sunnyvale, CA (US);
Anil S. Guram, San Jose, CA (US);
Robert J. Saxton, Pleasanton, CA (US);
Mark T. Muraoka, Mountain View, CA (US);
Jeffrey C. Yoder, San Jose, CA (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A crystalline material substantially free of framework phosphorus and comprising a CHA framework type molecular sieve with stacking faults or at least one intergrown phase of a CHA framework type molecular sieve and an AEI framework type molecular sieve, wherein said material, in its calcined, anhydrous form, has a composition involving the molar relationship:(n)XO:YO,wherein X is a trivalent element; Y is a tetravalent element; and n is from 0 to about 0.5. The material exhibits activity and selectivity in the conversion of methanol to lower olefins, especially ethylene and propylene.