Crystalline silica and use in alkylation of aromatics
US4283306A · kind A · utility
83Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 26, 1980 |
| Grant date | Aug 11, 1981 |
| Priority date | — |
| Expiry date | Mar 26, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Novel crystalline silicas and their use as alkylation catalysts, e.g., methylation of toluene. The performance of the catalysts can be improved by selected promoters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.