Metallocenes and catalyst compositions derived therefrom
US9644047B2 · kind B2 · utility
13Cited by
57References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2014 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Jul 7, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/65916
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having two indenyl ligands with identical substitution including, for example, cyclopropyl groups and substituted phenyl groups at the 2 and 4 positions of the catalyst, respectively, where the substituents are at the 3′ and 5′ positions of the phenyl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.