Viscosity index improver and lubricant compositions thereof
US11795413B2 · kind B2 · utility
0Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2022 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Feb 25, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/042
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a poly alkyl(meth)acrylate polymer comprising polybutadiene-based monomer units and a process for preparing the same. The invention also relates to the use of said polymer as a viscosity index improver in lubricant formulation and to lubricant compositions comprising said polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.