Use of a catalytic system for lactide and glycolide (co) oligomerization
US8389668B2 · kind B2 · utility
0Cited by
4References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 15, 2005 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Mar 15, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/823
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The use of a catalytic ring-opening lactide and glycolide (co)oligomerization system consisting of a strongly acidic ion-exchange resin-type polymeric catalyst and a (co)oligomerization additive, and a lactide and glycolide (co)oligomerization method using said catalytic system, are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.