Enhanced polyolefin catalyst
US7211535B2 · kind B2 · utility
7Cited by
12References
25Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 29, 2004 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | Feb 11, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F210/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a novel process for preparing a catalyst useful in gas phase polymerization of olefins wherein the physical properties of the polymer and the productivity of the catalyst can be altered depending on the sequence of addition of the catalyst components. The catalyst consists of compounds of Ti, Mg, Al and optionally an electron donor supported on an amorphous support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.