Biodegradable triblock copolymers and implantable medical devices made therefrom
US12139577B2 · kind B2 · utility
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32References
19Claims
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Key dates
| Filing date | Sep 20, 2022 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Nov 3, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2230/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biodegradable triblock copolymer comprising: an A-B-A′ structure wherein the A and A′ blocks each include polylactide, the B block includes from about 55 to about 100 mole percent of polytrimethylene carbonate and 0 to about 45 mole percent polylactide, and the biodegradable triblock copolymer overall includes from about 15 to about 25 mole percent of the polytrimethylene carbonate and from about 75 to about 85 mole percent of the polylactide. Also provided are compositions and implantable medical devices made therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.