Homogeneous polymerization catalyst for alpha olefins
US9718898B1 · kind B1 · utility
1Cited by
2References
7Claims
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Key dates
| Filing date | Nov 30, 2016 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Nov 30, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A homogeneous polymerization catalyst system for polymerization or copolymerization of at least one alpha olefin has a Lewis acid, an alkyl aluminum in a hexane or a heptane, and at least one dry metallocene. The at least one dry metallocene has a transition metal compound. The Lewis acid is capable of forming an ion pair with the at least one dry metallocene. The homogeneous polymerization catalyst system produces a poly alpha olefin from alpha olefin monomers or mixed alpha olefins. A produced poly alpha olefin has a kinematic viscosity at 100 degrees Celsius ranging from 1 cSt to 1000 cSt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.