Solution process for the olefins polymerization
US8748522B2 · kind B2 · utility
1Cited by
10References
10Claims
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Key dates
| Filing date | Nov 11, 2009 |
| Grant date | Jun 10, 2014 |
| Priority date | — |
| Expiry date | Jul 21, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for the polymerization of one or more olefins under solution polymerization conditions to produce a polymeric solution, said process comprising contacting the produced polymeric solution with one or more antioxidant compounds before or concurrently with subjecting the polymeric solution to a devolatilization step to separate the polymer from the unreacted monomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.