Supported metallocene catalyst systems for polymerization
US10723821B2 · kind B2 · utility
1Cited by
91References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2016 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | May 27, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2500/15
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to supported metallocene catalyst systems for polymerization, the catalyst systems comprising asymmetrically substituted indenyl groups, high surface area supports, and aluminoxane activators. This invention also relates to methods for polymerizing olefins, including methods for producing isotactic polypropylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.