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:
Jul. 01, 2008
Filed:
Jun. 26, 2001
Teng Xu, Houston, TX (US);
Jeffrey L. White, Cary, NC (US);
Xiaobing Feng, Houston, TX (US);
Gary D. Mohr, Houston, TX (US);
Brenda A. Raich, Houston, TX (US);
Teng Xu, Houston, TX (US);
Jeffrey L. White, Cary, NC (US);
Xiaobing Feng, Houston, TX (US);
Gary D. Mohr, Houston, TX (US);
Brenda A. Raich, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A method is provided for converting oxygenates, e.g., methanol, to olefins, e.g., ethylene and propylene, comprising contacting said oxygenates and an aromatics co-feed, e.g., xylenes, with a framework gallium-containing molecular sieve catalyst comprising pores having a size ranging from about 5.0 Angstroms to about 7.0 Angstroms, e.g., ZSM-5, under production conditions effective to produce olefins. A catalyst composition is also provided, comprising a ZSM-5 zeolite-bound ZSM-5 zeolite having a bound zeolite of framework Ga-containing zeolite having a Si/Ga molar ratio ranging from 5 to 500 and a binder of Ga-modified, e.g., Ga-exchanged and/or Ga-impregnated, zeolite having a Si/Ga molar ratio ranging from 5 to ∞.