Olefin polymerization catalysts
US5055438A · kind A · utility
448Cited by
0References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 1990 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Jun 4, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention is a polymerization catalyst system including an alumoxane and a Group IV B metallocene having a heteroatom ligand. The catalyst system can be employed to polymerize olefins to produce a high molecular weight polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.