Catalytic lactide and glycolide (co)polymerization system
US7999061B2 · kind B2 · utility
1Cited by
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15Claims
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Key dates
| Filing date | Dec 11, 2008 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Dec 11, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/87
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A catalytic lactide and glycolide copolymerization system comprising a trifluoromethane sulfonate as a catalyst and copolymerization additive and a copolymerization process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.