Production of polyethylene using stereoisomeric metallocenes
US5852143A · kind A · utility
65Cited by
15References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 16, 1997 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | Apr 16, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyethylene having a broad molecular weight distribution, a narrow comonomer distribution and excellent processability is easily and cost effectively made using stereoisomeric mixtures of bridged metallocene catalysts containing cycloalkadienyl ligands with facial chirality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.