Method for preparing polybutene oligomer
US11746165B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Oct 30, 2019 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Oct 11, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a method for preparing a polybutene oligomer including a step of oligomerizing a polymerization solution including a halogenated hydrocarbon solvent, a nonpolar hydrocarbon solvent and an isobutene monomer in the presence of an organometal catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.