Lubricating composition for lead and copper corrosion inhibition
US10787622B2 · kind B2 · utility
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2References
25Claims
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Inventors
Key dates
| Filing date | Dec 17, 2014 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Apr 28, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a lubricating composition containing an oil of lubricating viscosity, an ashless thiocarbamate compound having an optionally-substituted hydrocarbyl group on an S-atom and an optionally-substituted hydrocarbyl group on an N-atom, and a boron-containing compound. The invention further relates to a method of lubricating an internal combustion engine with the lubricating composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.