发明名称 |
FLEXIBLE, HYDROPHILIC GEL FILM, THE PROCESS FOR ITS PRODUCTION AND THE USE OF IT |
摘要 |
A flexible, hydrophilic, water-swellable but insoluble gel film which consists of (a) 0.5 to 30%-wt of at least one water-soluble polymer being anion-active at neutral pH (b) 0.5 to 50%-wt of at least one water-soluble polymer being cation-active at neutral pH (c) 0.1 to 20%-wt of at least one moisturizer (d) 0.1 to 70%-wt of water (e) 0 to 75%-wt of water-soluble or water-dispersible auxiliaries (f) 0 to 50%-wt of active substance a process for its production and the use of this film for the production of a device creating interactions between the gel film and a solid, liquid, or gaseous substrate.
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申请公布号 |
CA1336727(C) |
申请公布日期 |
1995.08.15 |
申请号 |
CA19890607355 |
申请日期 |
1989.08.02 |
申请人 |
LTS LOHMANN THERAPIE-SYSTEME GMBH & CO. KG |
发明人 |
ROREGER, MICHAEL;HOFFMANN, HANS-RAINER;HERRMANN, FRITZ;LIST, HARALD |
分类号 |
B32B5/18;A61F13/00;A61K9/00;A61K9/70;A61L15/16;A61L26/00;B32B7/02;C08J3/00;C08J3/03;C08J5/18;C08L101/00;(IPC1-7):C08J5/18;C08L5/00;C08L89/00;C08L3/04;C08L1/08;C08L33/14;A61K7/40 |
主分类号 |
B32B5/18 |
代理机构 |
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地址 |
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