Depolymerization of oligomeric cyclic ethers
US8809491B2 · kind B2 · utility
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30References
26Claims
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Key dates
| Filing date | Dec 11, 2009 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Jan 13, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a method for depolymerization of a mixture comprising oligomeric cyclic ethers resulting from copolymerization of at least one tetrahydrofuran and at least one other cyclic ether to recover tetrahydrofuran monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.