Process for removal of catalyst residues from poly-α-olefins
US7473815B2 · kind B2 · utility
17Cited by
25References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2003 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Aug 31, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is disclosed for reducing levels of residual halogen and Group IIIb metals in a crude poly(α-olefin) polymerized in the presence of a catalyst comprising the halogen and Group IIIb metals, wherein the method comprises:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.