Polyolefins made by catalyst comprising a noncoordinating anion and articles comprising them
US7511104B2 · kind B2 · utility
10Cited by
12References
5Claims
0Family size
Assignee
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Key dates
| Filing date | May 16, 2002 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Dec 29, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymers made by transition metal catalyst systems comprising a bulky noncoordinating anion (NCA) as cocatalyst component. In comparison to polymers containing a conventional NCA, these polymers show a considerably lower dielectric loss, making them suitable for insulation applications such as for power cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.