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US09314503B2 Sustained release systems and preparation method thereof 有权
缓释体系及其制备方法

Sustained release systems and preparation method thereof
摘要:
The present invention relates to a hydrophilic drug and β-tricalcium phosphate (β-TCP) coating on a surface area of biopolymer matrix to form a sustained release system. The present invention also provides a method for preparing a sustained release system, comprising providing a surface are of biopolymer matrix coated with a hydrophilic drug and β-TCP.
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