Methods of forming a supported activated catalyst composition
US6900154B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2003 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Oct 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Processes of forming a supported activated catalyst composition and method of polymerization are disclosed, the process of forming the composition including combining a halogenated aromatic aluminum activator compound with a fluorinated support and a catalyst to form a supported activated catalyst composition. Also disclosed is a supported activated catalyst composition, comprising the reaction product of a fluorinated support, a perfluorophenyl aluminum activator and in one embodiment a metallocene catalyst. In one embodiment, the halogenated aromatic aluminum activator is represented by the formula RnAl(ArHal)3−n, wherein ArHal is a halogenated aryl group, R is a monoanionic ligand, and n is 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.