Lubricating composition having improved storage stability
US7879773B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | May 4, 2005 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Jan 14, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition having superior storage stability and load-carrying effect is disclosed. The composition comprises four components: (1) an alkali metal borate; (2) an oil-soluble sulfur compound; (3) a trialkyl hydrogen phosphite; and (4) a mixture of greater than 50% neutralized acidic phosphates that are essentially free of monothiophosphates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.