Catalyst components for the polymerization of olefins
US11267910B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | May 9, 2018 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Dec 27, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A catalyst mixture made from or containing (a) particles of a solid catalyst component comprising Ti, Mg, Cl, and (b) from 0.5 to 5.0% by weight, based upon the total weight of the mixture, of particles of a solid compound having particle size ranging from 0.1 μm to 1 mm containing more than 50% by weight of SiO2 units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.