Catalysts for olefin polymerization
US7030200B2 · kind B2 · utility
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28Claims
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Key dates
| Filing date | Mar 5, 2003 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Mar 5, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/65908
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Late transition metal complexes of certain ligands which contain phosphinidine and/or imine groups are useful as components of polymerization catalysts for olefins. Useful metals in the complexes include Ni, Pd, Fe and Co. Oligomers and/or polymers of olefins such as ethylene can be made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.