Upgrading heavy gas oils
US4589979A · kind A · utility
4Cited by
12References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1985 |
| Grant date | May 20, 1986 |
| Priority date | — |
| Expiry date | Aug 22, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G29/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of neutralizing the organic acidity in heavy gas oils to produce a neutralization number less than 1.0 whereby they are rendered suitable as lube oil feed stocks which comprises treating said heavy gas oils with a neutralizing amount of monoethanolamine to form an amine salt with the organic acids and then heating the thus-neutralized heavy gas oil at a temperature and for a time sufficient to convert the amine salts to amides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.