Lubricant compositions containing styrenic block copolymer
US12281277B2 · kind B2 · utility
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26References
24Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 13, 2023 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Sep 13, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a lubricating oil composition, or concentrate therefor, comprising or resulting from the admixing of: (i) base oil, (ii) one or more styrenic block copolymers having a radial structure where one or more blocks derived from conjugated diene monomers are distal to the radial center and one more blocks derived from vinyl aromatic monomers that are proximal to the radial center, and (iii) optionally one or more dispersants and or detergents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.