IM-20 crystalline solid and process for its preparation
US8444952B2 · kind B2 · utility
9Cited by
11References
10Claims
0Family size
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Key dates
| Filing date | Nov 26, 2009 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Nov 26, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B39/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention concerns a crystalline solid designated IM-20 which has the X-ray diffraction diagram given below. Said solid has a chemical composition expressed by the empirical formula: mXO2: nGeO2: pZ2O3: qR: sF: wH2O, in which R represents one or more organic species, X represents one or more tetravalent element(s) other than germanium, Z represents at least one trivalent element and F is fluorine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.