Lubricating oil compositions containing epoxide antiwear agents
US9006160B2 · kind B2 · utility
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17References
20Claims
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Key dates
| Filing date | Oct 11, 2013 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Oct 11, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) an oil soluble epoxide compound having the following structure:wherein X is hydrogen or a substituted or unsubstituted C1 to C20 hydrocarbyl group, wherein the substituted hydrocarbyl group is substituted with one or more substituents selected from hydroxyl, alkoxy, ester or amino groups and Y is —CH2OR, —C(═O)OR1 or —C(═O)NHR2, wherein R, R1 and R2 are independently hydrogen or C1 to C20 alkyl or alkenyl groups; and further wherein the oil of lubricating viscosity does not contain a carboxylic acid ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.