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US 2006/0141021 A1Published application
Polymeric microspheres and method for preparing the same
AssigneeIndustrial Technology Research
InventorsAe-June Wang, Yi-Fong Lin, Chi-Heng Jian, Shin-Jr Liu
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Abstract
A polymeric microsphere. The polymeric microsphere comprises a first polymer, a layer formed on the surface of the first polymer, and a second polymer formed on the layer. The invention also provides a method for preparing the polymeric microphere by an aqueous-two-phase emulsion process.
Claims29
A polymeric microsphere, comprising:
- a first polymer;
- a layer formed on the surface of the first polymer;
- and
- a second polymer formed on the layer.
1 more element
A method for preparing polymeric microspheres, comprising:
- providing a first polymer aqueous solution, wherein the first polymer having functional groups capable of cross-linking;
- providing a second polymer aqueous solution, wherein the first and second polymer aqueous solutions are miscible;
- mixing the first and second polymer aqueous solutions to form a mixture;
- and
- adding a crosslinking agent to form a microsphere.
2 more elements
A method for preparing polymeric microspheres, comprising:
- providing a first polymer aqueous solution, wherein the first polymer having functional groups capable of cross-linking;
- providing a second polymer aqueous solution, wherein the first and second polymer aqueous solutions are miscible;
- mixing drugs and the first polymer aqueous solution to form a drug aqueous solution;
- mixing the drug aqueous solution and the second polymer aqueous solution to form a mixture;
- and
- adding a crosslinking agent to form a microsphere.
3 more elements
A method for preparing polymeric microspheres, comprising:
- providing a first polymer aqueous solution, wherein the first polymer having functional groups capable of cross-linking;
- providing a second polymer aqueous solution, wherein the first and second polymer aqueous solutions are miscible;
- mixing a liposome solution and the first polymer aqueous solution to form a solution;
- mixing the solution and the second polymer aqueous solution to form a mixture;
- and
- adding a crosslinking agent to form a microsphere.
3 more elements
Dependencies are inferred from the claim text.