Omega type zeolite having high thermal stability, its process of preparation and its utilization
US4891200A · kind A · utility
10Cited by
10References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 19, 1986 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | May 19, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/26
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention concerns an omega type zeolite of high thermal stability, present in the form of hexagonal prismatic monocrystals having scored or plane faces of 0.1 .mu.m in edge and 0.5 to 5 .mu.m in length, this zeolite being obtained through crystallization from a mother solution containing a silica source, alumina, metallic oxide, an organic cation and water, in which the alumina source is a crystalline aluminosilicate of which at least one part is in suspension in the mother solution. In its acid form this zeolite can be used as catalyst for hydration of olefins and isomeric change of xylenes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.