Process for treatment of petroleum acids (LAW824)
US6190541A · kind A · utility
9Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1999 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | May 11, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G29/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention is a process for decreasing the acidity of an organic acid containing petroleum oil, comprising contacting said petroleum oil containing organic acids with an effective amount of an alcohol and an effective trace amount of a base selected from Group IA and IIA metal carbonates, hydroxides, phosphates, and mixtures of a hydroxide and phosphate at a temperature and under conditions sufficient to form the corresponding ester of said alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.