发明名称 |
Process and a device for producing a transdermal therapeutic system for the administration of active substances to the skin in the form of a plane multichamber or multichamber-channel system |
摘要 |
PCT No. PCT/EP94/01278 Sec. 371 Date May 2, 1996 Sec. 102(e) Date May 2, 1996 PCT Filed Apr. 25, 1994 PCT Pub. No. WO94/26346 PCT Pub. Date Nov. 24, 1994In a process for the production of a transdermal therapeutic system for the administration of active substances to the skin in the form of a plane multichamber or multichamber-channel system an active substance-containing layer is introduced between top layer and bottom layer; subsequently top and bottom layer are squeezed at individual and/or coherent sites under displacement of the intermediary sites of the active substance-containing layer and formation of active substance-containing chambers or channels, and at the same time or after that top layer and bottom layer are bonded permanently at the squeezed places.
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申请公布号 |
US5902433(A) |
申请公布日期 |
1999.05.11 |
申请号 |
US19960553606 |
申请日期 |
1996.05.02 |
申请人 |
LTS LOHMANN THERAPIE-SYSTEME GMBH |
发明人 |
BECHER, FRANK;MUELLER, WALTER |
分类号 |
A61M37/00;A61F13/02;A61K9/70;A61L15/44;A61L15/64;B29C35/16;B29C65/02;B29C65/08;B29C65/14;B29C65/16;B29C65/18;B29C65/48;B29C65/50;B29C65/52;(IPC1-7):A61M37/00 |
主分类号 |
A61M37/00 |
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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