Basic alkali metal sulfonate dispersions, process for their preparation, and lubricants containing same
US5037565A · kind A · utility
8Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 15, 1989 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Jun 15, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Solutions or substantially stable dispersions of basic alkali metal sulfonates in an inert organic diluent are prepared by intimately contacting an acidic gaseous material such as carbon dioxide with a reaction mixture comprising a sulfonic acid, an alkali metal, an alcohol and a carboxylic acid. The products are useful as additives for lubricants and fuels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.