Method for preparing a pharmaceutical controlled release composition
申请(专利)号：
06/523636
申请日期：
08/15/1983
公开/公告号：
US4572833
公开/公告日期：
02/25/1986
被引量：
摘要：
By thus incorporating a hydrophobic substance in the coating mixture in an amount of the order 1-25% in such a way that prior to the application, the hydrophobic substance is melted, but undissolved and microdispersed in the coating mixture, a coating is obtained which delays and controls the diffusion through the coating so that even easily soluble active substances, such as potassium chloride, can be slowly released.
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