Monomers issued from renewable resources and process for polymerising them
US9334363B2 · kind B2 · utility
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1References
11Claims
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Key dates
| Filing date | Apr 26, 2013 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Oct 6, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0091
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to the synthesis of polycarbonates prepared from carbonate monomers derived from the biomass in the presence of a system comprising an organometallic transfer agent and alcohol. It also relates to the polymers resulting from these cyclic compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.