Half-metallocene compounds and catalyst compositions
US8309748B2 · kind B2 · utility
15Cited by
69References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2011 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Mar 31, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/07
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides polymerization catalyst compositions employing half-metallocene compounds with a heteroatom-containing ligand bound to the transition metal. Methods for making these hybrid metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.