Lubricant compositions containing phosphates and/or phosphites and methods of making and using same
US10414964B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jun 2, 2016 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Jun 2, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant compositions having at least one base oil composition and a friction-reducing composition including a substituted phosphate ester and/or substituted hydrogen phosphites are described. Methods for making such compounds and methods of drilling using such lubricant compositions are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.