Liquid clathrate compositions
US6096680A · kind A · utility
34Cited by
12References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 22, 1998 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Apr 22, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Liquid clathrate compositions useful as reusable aluminum catalysts in Friedel-Crafts reactions are described. In one embodiment, the liquid clathrate composition is formed from constituents comprising (i) at least one aluminum trihalide, (ii) at least one salt selected from alkali metal halide, alkaline earth metal halide, alkali metal pseudohalide, quaternary ammonium salt, quaternary phosphonium salt, or ternary sulfonium salt, or a mixture of any two or more of the foregoing, and (iii) at least one aromatic hydrocarbon compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.