Passivated supports: catalyst, process, product and film
US10344111B2 · kind B2 · utility
1Cited by
41References
19Claims
0Family size
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Key dates
| Filing date | Nov 12, 2015 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Nov 12, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Ethylene copolymers made in the gas phase using a phosphinimine based single site catalyst supported on a passivated inorganic oxide support. The ethylene copolymers have a relatively narrow molecular weight distribution and good rheological parameters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.