Lubricating oil having an average ring number of less than 1.5 per mole containing a succinic anhydride amine rust inhibitor
US5225094A · kind A · utility
4Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1991 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Dec 18, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The rust inhibition capability of a lubricating oil having an average ring number per mole of less than 1.5 can be enhanced by adding a rust inhibitor that is capable of reducing the oil/water interfacial tension to between about 1 to about 4 mN/m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.