Corrosion inhibiting additive combination for turbine oils
US6043199A · kind A · utility
6Cited by
23References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1998 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | Nov 13, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/135
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Turbine oils of improved corrosion resistance comprise a synthetic ester base stock and additives comprising a combination of a dibasic carboxylic acid and a second component selected from alkyl or alkenyl succinic acid/anhydride ester or hemi-linear or branched ester and hydroxylated derivatives of such esters or hemi esters, and linear or branched alkyl or alkenyl substituted succinimide or amino substituted succinimide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.