Polymerization catalysts for producing high melt index polymers without the use of hydrogen
US7026494B1 · kind B1 · utility
219Cited by
9References
29Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 10, 2005 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Jan 10, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Various catalyst compositions including the contact product of at least one ansa-metallocene compound, at least one organoaluminum compound, and at least one activator-support are disclosed. Processes for forming such compositions and for forming polyolefins with such compositions are also disclosed. Metallocene compounds are also presented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.