Spray-dried polymerization catalyst and polymerization process employing same
US7160833B2 · kind B2 · utility
6Cited by
2References
20Claims
0Family size
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Key dates
| Filing date | Jul 13, 2004 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Feb 16, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A spray-dried composition comprising the reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound and an inert filler comprising substantially spherical particles having an average particle size ranging from about 1 μm to about 12 μm, and a polymerization process using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.