Polyolefins and uses thereof
US6579922B2 · kind B2 · utility
49Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 2002 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Apr 10, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/139
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a high density multimodal polyethylene, having a shear ratio (SR) of 18 or more and comprising at least 20% by weight of a high molecular weight fraction, which high molecular weight fraction has:(a) a density (p) of 0.930 g/cm3 or less; and(b) a high load melt index (HLMI) of 0.30 g/10 mins or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.