Metallocene compounds
US7834205B2 · kind B2 · utility
8Cited by
27References
8Claims
0Family size
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Inventors
Key dates
| Filing date | Apr 6, 2007 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Apr 15, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A bridged metallocene compound of formula (I)wherein:M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing heteroatoms; L is a divalent bridging group; R1 is a linear C1-C40 hydrocarbon radical optionally containing heteroatoms; T1 and T4 are a oxygen, sulfur atom or a C(R18)3 group; wherein R18, are hydrogen atoms or a C1-C40 hydrocarbon radical; T3 and T4 are C1-C40 hydrocarbon radicals; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.