发明名称 |
ANNULAR SUSTAINED RELEASE PREPARATION AND PRODUCTION METHOD THEREOF |
摘要 |
<p>Provided is an annular sustained release preparation to be used by opening a center portion thereof, the preparation having a strength enough to avoid cleaving at a welded end portion. More specifically, provided is an annular sustained release preparation comprising at least two polymer tubes having both ends sealed and integrated by pressure-welding or at least one polymer tube and at least one polymer rod having both ends sealed and integrated by pressure-welding; and a sex pheromone liquid contained by at least one of the tubes or the tube; wherein an annular space can be formed by pulling the tubes or the tube and the rod apart from each other at a center portion therebetween, the central portion not having been pressure-welded; and an angle formed between a line connecting respective centers of diameters of the tubes welded to each other or the tube and the rod welded to each other and the pressure application direction is from 0 to 45°.</p> |
申请公布号 |
EP2549862(A1) |
申请公布日期 |
2013.01.30 |
申请号 |
EP20110759631 |
申请日期 |
2011.03.22 |
申请人 |
SHIN-ETSU CHEMICAL CO., LTD. |
发明人 |
SAGUCHI, RYUICHI;FUKUMOTO, TAKEHIKO |
分类号 |
A01N25/18;A01M1/02;A01P19/00 |
主分类号 |
A01N25/18 |
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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