Process for the preparation of magadiite from an organic structuring agent of quaternary diammonium type
US7691355B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Dec 14, 2007 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Feb 15, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B33/38
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Described is a process for the preparation of a crystallised lamellar solid formed by magadiite consisting of implementing in a step (i) mixing of at least one silica source, at least one salt of N,N,N′,N′-tetramethyl-N,N′-dibenzyloctanediammonium, at least one alkali and/or alkaline earth metal M and water and then implementing in a step (ii) hydrothermal treatment of said mixture until said crystallised lamellar solid constituted by magadiite is formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.