Metallocenes and catalyst compositions derived therefrom
US9249239B2 · kind B2 · utility
21Cited by
50References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2014 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Jul 7, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2420/09
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R2 having a branched or unbranched C1-C20 alkyl group substituted with a cyclic group or a cyclic group, R8 is an alkyl group and R4 and R10 are substituted phenyl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.