Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same
US9023959B2 · kind B2 · utility
142Cited by
37References
20Claims
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Key dates
| Filing date | Jul 15, 2013 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Jul 15, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods for the preparation of fluorided-chlorided silica-coated alumina activator-supports are disclosed. These activator-supports can be used in catalyst systems for the production of olefin-based polymers, such as polyethylene and polypropylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.