Patent ID: 11951104
Assignee: ZHUHAI LIVZON MICROSPHERE TECHNOLOGY CO. LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 3:
4. The microsphere according to claim 1, wherein, the poly(lactide-co-glycolide) copolymer has an intrinsic viscosity of 0.2-0.35 dL/g;
preferably, the poly(lactide-co-glycolide) copolymer has a polydispersity index of 1.0-2.0;
preferably, the poly(lactide-co-glycolide) copolymer has a weight-average molecular weight of 20000-40000; and
preferably, the molar ratio of lactide to glycolide in the poly(lactide-co-glycolide) copolymer is 50:50.