Method of synthesizing silicoaluminophosphate molecular sieves
US7090814B2 · kind B2 · utility
5Cited by
6References
26Claims
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Key dates
| Filing date | Nov 10, 2004 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Nov 10, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/514
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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 cooling the combination of the phosphorus source and organic directing agent to a temperature of less than or equal to 50° C., prior to introducing a source of aluminum into the combination. 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.