Ethylene styrene copolymer with isolated styrene
US6740724B2 · kind B2 · utility
2Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2002 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Nov 9, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F210/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An ethylene styrene copolymer having isolated styrene monomer units separated by 5 or 6 methylene groups as determined by 13C-NMR may be polymerized in the presence of an activator and a transition metal catalyst containing a phosphinimine ligand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.