Hydrofining process using bulk group VIII/Group VIB catalysts
US7232515B1 · kind B1 · utility
120Cited by
61References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 14, 2000 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Jan 14, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for hydrofining a lubricating oil feedstock comprising contacting the feedstock with a hydrofining catalyst in a hydrofining zone under hydrofining conditions wherein the hydrofining catalyst comprises a bulk metal catalyst containing non-noble Group VIII metal molybdate in which at least a portion but less than all of the molybdenum is replaced by tungsten.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.