Polyolefin-derived dispersants
US10584297B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Dec 13, 2016 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Dec 13, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Ethylene-C3-C10 alpha olefin copolymers, dispersants and lubricating oils/fuel compositions incorporating dispersants, and related methods are generally described herein. The copolymer may comprise ethylene-derived units and C3-C10 alpha-olefin-derived units. The C3-C10 alpha-olefin-derived units may have a carbon number from three to ten. For example, the C3-C10 alpha-olefin-derived units may be propylene-derived units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.