Catalytic lactide and glycolide (co)polymerization system

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

Reexamination Certificate

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Details

C528S355000, C528S486000, C528S487000, C528S495000, C528S499000, C525S419000, C525S420000, C502S103000, C502S168000, C502S172000, C502S216000, C502S217000

Reexamination Certificate

active

07999061

ABSTRACT:
A catalytic lactide and glycolide copolymerization system comprising a trifluoromethane sulfonate as a catalyst and copolymerization additive and a copolymerization process.

REFERENCES:
patent: 0784044 (1997-07-01), None
patent: 0953589 (1999-03-01), None

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