Catalyst system for production of polyolefins
US7645834B2 · kind B2 · utility
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50References
17Claims
0Family size
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Key dates
| Filing date | Apr 29, 2005 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Dec 1, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F210/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a method of polymerizing olefin using a compatible combination of a multi-site catalyst and a single-site catalyst. The catalysts may be a Ziegler-Natta catalyst and a metallocene catalyst. The resulting polymer, which may be a homopolymer or a random copolymer, may exhibit a molecular weight distribution which is intermediate than that resulting for polymers prepared using either catalyst alone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.