Soluble late transition metal catalysts for olefin oligomerizations III
US7429548B2 · kind B2 · utility
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3References
42Claims
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Key dates
| Filing date | Aug 16, 2005 |
| Grant date | Sep 30, 2008 |
| Priority date | — |
| Expiry date | Aug 16, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F15/045
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A This invention relates to a composition comprising a catecholate ligand, palladium or nickel, and an ancillary ligand with the following structure:where Pn is a Group-15 element; H is hydrogen; R7 and R8 are independently hydrogen or C1-C30 hydrocarbyl radicals, or both are C1-C30 hydrocarbyl radicals that form a ring structure comprising one or more aromatic or non-aromatic rings; and R13-R18 are, independently, hydrogen or C1-C30 hydrocarbyl radicals. The composition can be used to oligomerize ethylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.