Superacid catalyst for the hydroisomerization of n-paraffins and process for its preparation
US6037303A · kind A · utility
8Cited by
1References
15Claims
0Family size
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Key dates
| Filing date | Feb 6, 1998 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Feb 6, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A superacid catalyst comprising zirconium oxide having a purely tetragonal crystalline phase structure and whose surface has sulfate groups thereon in a quantity corresponding to the total coverage of the surface of the zirconium oxide by a monolayer of said sulfate groups, the zirconium oxide having a porosimetric distribution consisting of at least 70% of pores having a diameter ranging from 1-4 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.