Well defined low molecular weight dispersant polymethacrylates
US12168757B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | May 7, 2021 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | May 7, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides, among other things, a process to produce a low molecular weight dispersant polymethacrylate polymer (“LMWDPMA”), and the LMWDPMA itself, along with the use of the LMWDPMA in a lubricating composition, as well as a method for lubricating an internal combustion engine as disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.