Method of making porous crystalline materials

Details Method of making porous crystalline materials Method of making porous crystalline materials

2011-05-03

2011-05-03

Brunsman, David M (Department: 1732)

Chemistry of inorganic compounds

Zeolite

Organic compound used to form zeolite

C423S304000, C423S305000

Reexamination Certificate

active

07935330

ABSTRACT:
The present invention relates to new methods of making crystalline materials, as well as to new crystalline materials obtainable by such methods, and their use in hydrocarbon conversion processes. In one of its aspects, the invention relates to a method for preparing a crystalline molecular sieve comprising oxides of one or more tetravalent element(s), optionally one or more trivalent element(s), and optionally one or more pentavalent element(s), said method comprising submitting to crystallization conditions one or more sources of said oxides in the presence of at least one organic templating agent R of formula C1C2R1R2N+A−(I), in whichC1and C2each independently represent a substituted or unsubstituted cyclohexyl or cyclopentyl group,R1and R2each independently represent a methyl group, an ethyl group or a propyl group, or R1and R2together with the nitrogen atom they are connected to form a ring containing 5 or 6 atoms, andA represents hydroxyl, fluorine, chlorine, bromine or iodine.

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van deer Waal et al, “Synthesis and characterization of aluminum-free zeolite titanium beta using di(cyclhexylmethyl)dimethylammonium as a new and selective template”, Mlcroporous and Mesoporous Materials, Elsevier Science Publishing, NY, vol. 25, No. 1-3, (Dec. 1998).
J. C. Van Der Waal, P. J. Kooyman, J. C. Jansen, H. Van Bekkum; “Wynthesis and characterization of aluminum-free zeolite titanium beta using di(cyclohexylmethyl)dimethylammonium as a new and selective template,” Microporous and Mesoporous Materials 25 (1988) 43-57.

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