Method of synthesizing an olefin product from an oxygenate...

Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed

Reexamination Certificate

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C423S306000, C502S214000

Reexamination Certificate

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08049053

ABSTRACT:
In a method of synthesizing a silicoaluminophosphate molecular sieve, a synthesis mixture is prepared by combining a source of phosphorus and at least one organic directing agent; and then introducing a source of aluminum into the combination of the phosphorus source and organic directing agent, wherein the temperature of the combination is less than or equal to 50° C. when addition of the source of aluminum begins. After addition of a source of silicon, the synthesis mixture is heated to a crystallization temperature of between about 100° C. and about 300° C. and the molecular sieve is recovered.

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Wilson, Stephen T., Verified Syntheses of Zeolitic Materials. Templating in Molecular Sieve Synthesis [online]. 2nd revised edition. UOP Research Center. [retrieved on Aug. 7, 2009]. Retrieved from the Internet: < URL: http://www.iza-online.org/synthesis/VS—2ndEd/Templating.htm>.

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