Iron complexes and methods for polymerization
US9290591B2 · kind B2 · utility
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2References
32Claims
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Key dates
| Filing date | Feb 8, 2012 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Feb 8, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/03
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are methods of preparing polymers, such as polyisoprene, polybutadiene, polypiperylene, polycyclohexadiene, poly-β-farnesene, or poly-β-myrcene, using iron complexes. Also provided are novel iron complexes, pre-catalysts, intermediates, and ligands useful in the inventive polymerization system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.