Stabilized pillared interlayered clays
US4248739A · kind A · utility
86Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1979 |
| Grant date | Feb 3, 1981 |
| Priority date | — |
| Expiry date | Sep 4, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J21/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Stable pillared interlayered clays are prepared by reacting smectite clays with high molecular weight cationic metal complexes of metals such as aluminum and zirconium. The high molecular weight complexes are prepared by hydrolysis of copolymerization of a metal complex such as aluminum chlorohydrol. The pillared, interlayered clays possess a high degree of thermal and hydrothermal stability and may be used in the preparation of catalysts and sorbents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.