Process for dewaxing gas oils
US4842717A · kind A · utility
4Cited by
18References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1987 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Jan 28, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/70
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process is disclosed for eliminating waxy paraffins from hydrocarbon feedstocks having an initial boiling temperature above about 180.degree. C. and containing sulphur, by selective cracking of the straight chain paraffinic hydrocarbons, said process comprising passing said feedstock over a crystalline silica polymorph of the silicalite type under suitable operating conditions for cracking the straight chain paraffins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.