Aluminosilicate zeolite having an offretite structure
US4834961A · kind A · utility
3Cited by
11References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 11, 1986 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Sep 11, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/38
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A crystalline alumino-silicate having a powder X-ray diffraction diagram, a specific area, and a porous volume to nitrogen corresponding to offretite, and containing at least one metal selected from the groups I, II, VI, VII, VII, rare earth group, and/or at least an ammonium or quaternary ammonium group, presenting an aspect of the crystals as observed by electron microscopy in the form of hexagonal prisms with well defined edges of a length of 0.5 to 2.5 micrometers and a width of 0.1 to 1 micrometer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.