发明名称 |
DEVICE FOR CONTROLLED RELEASE OF ACTIVE INGREDIENTS |
摘要 |
A device for the controlled release of an active material into an aqueous medium comprises a water soluble capillary tube (11) the bore (12) of which contains an active material (13). Dissolution of the active material is diffusion limited during a delay period while the capillary is dissolving. When dissolution of the tube is complete rapid dissolution of the remaining active material then takes place. |
申请公布号 |
AU3278484(A) |
申请公布日期 |
1985.03.21 |
申请号 |
AU19840032784 |
申请日期 |
1984.09.06 |
申请人 |
STANDARD TELEPHONES AND CABLES PUBLIC LTD. CO. |
发明人 |
CYRIL FRANCIS DRAKE;ALFRED JOHN ARCH |
分类号 |
A01N25/02;A61K9/00;A61K9/20;A61K9/22;A61M31/00;B01J4/00;C11B9/00 |
主分类号 |
A01N25/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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