Patent ID: 8500991

Claim:
A process of producing a ZSM-23 molecular sieve, the process comprising: (a) preparing a mixture capable of forming said molecular sieve, said mixture comprising sources of alkali or alkaline earth metal (M), an oxide of trivalent element (X), an oxide of tetravalent element (Y), water and a directing agent (R) of the formula (CH 3 ) 3 N + CH 2 CH 2 CH 2 N + (CH 3 ) 2 CH 2 CH 2 CH 2 N + (CH 3 ) 3 , and having a composition, in terms of mole ratios, within the following ranges: YO 2 /X 2 O 3 25 to 28 H 2 O/YO 2 5 to 100 OH—/YO 2 0.05 to 0.5 M/YO 2 0.05 to 0.5 R/YO 2 >0 to <0.5; and (b) maintaining said mixture under sufficient conditions to produce said ZSM-23 molecular sieve.