Homogeneous type solid catalyst component or homogeneous type solid catalyst, process for production thereof and process for producing addition polymer with the same
US7022782B2 · kind B2 · utility
5Cited by
2References
6Claims
0Family size
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Key dates
| Filing date | Dec 21, 2001 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Nov 13, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/07
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a homogeneous type solid catalyst component or a homogeneous type solid catalyst comprising a step for removing a fine-powdery component and/or a shapeless component utilizing a difference between their sedimentation velocities of the catalyst component or the catalyst in a solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.