发明名称 |
ACTIVE SUBSTANCE RELEASE CONTROL EQUIPMENT |
摘要 |
A device for the controlled release of a substance having useful activity into a fluid medium at a substantially constant rate, said substance contained in a shape which is substantially that of a truncated cone by means of an impermeable wall or coating on the base and side (but not the top) of said truncated cone. Apparatus useful in manufacture when said device is a tablet for administration to a mammal. |
申请公布号 |
JPS6363610(A) |
申请公布日期 |
1988.03.22 |
申请号 |
JP19870221812 |
申请日期 |
1987.09.04 |
申请人 |
PFIZER INC |
发明人 |
GOOTAMU RAMUCHIYANDORA RANEIDE |
分类号 |
A61J3/06;A61J3/10;A61K9/00;A61K9/20;A61K9/22;A61K9/28;A61L9/12;A61M31/00;B30B11/04;B30B11/08;B30B15/06;E03D9/02 |
主分类号 |
A61J3/06 |
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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