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US 8,557,221 B2Granted
Method for making germanosilicate SSZ-75
AssigneeChevron U.S.A. Inc.
InventorsTracy Margaret Davis, Anton Petushkov
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Abstract
The present invention is directing to a method for making a germanosilicate SSZ-75 molecular sieve using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure directing agent.
Claims6
A method of preparing a molecular sieve, the method comprising contacting under crystallization conditions:
- a) a source of silicon;
- b) a source of germanium;
- c) a source of fluoride ions;
- and
- d) a structure directing agent comprising a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication.
2 more elements
Dependencies are inferred from the claim text.