Methods of preparation of an olefin oligomerization catalyst
US7384886B2 · kind B2 · utility
23Cited by
69References
61Claims
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Key dates
| Filing date | Feb 20, 2004 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Aug 6, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2531/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of making a catalyst for use in oligomerizing an olefin comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising contacting a composition comprising the chromium-containing compound and a composition comprising the metal alkyl, wherein the composition comprising the chromium-containing compound is added to the composition comprising the metal alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.