Lubricant composition containing ashless TBN molecules
US11674104B2 · kind B2 · utility
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Key dates
| Filing date | Jan 12, 2022 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Jan 12, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/255
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
New ashless TBN molecules are synthesized, and lubricant compositions containing them, boost the total base number. The lubricant compositions further tested for ASTM D6594 copper corrosion test meets ASTM limits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.