Pillared interlayered kandite clay compositions
US5326734A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1992 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | Dec 4, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J29/049
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention includes compositions of matter made up of a kandite clay which has been treated with large molecules containing multi-atom metallic or semi-metallic species and heated to produce pillars within the clay which are located generally between the clay's layers. The pillared kandite composition is useful as a catalyst support, sorbent, or ion exchanger. The invention also includes a process for producing the pillared kandite composition comprises mixing the finely divided clay in an aqueous solution with the pillaring medium and heating the resulting composition at a temperature high enough to decompose the added compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.