Pillared micas
US5340657A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1992 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Aug 26, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12056
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to pillared micas, which comprise an active metal selected from the group consisting of Pt, Cr, Pd, It, Rh and mixtures thereof, and a first modifier metal selected from the group consisting of Sn, Ga and mixtures thereof. The mica may also be modified with a second modifier metal selected from the group consisting of alkali metals, alkaline earth metals, or rare earth metals and mixtures thereof. This invention further relates to a process for preparing such a catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.