发明授权
- 专利标题： Liquid crystal membrane
- 专利标题（中）： 液晶膜
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申请号： US277697申请日： 1988-11-30
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公开(公告)号： US4968539A公开(公告)日： 1990-11-06
- 发明人: Takao Aoyagi , Shuji Sato , Minako Yasu , Iwao Nozawa , Yousuke Suzuki
- 申请人： Takao Aoyagi , Shuji Sato , Minako Yasu , Iwao Nozawa , Yousuke Suzuki
- 申请人地址： JPX Tokyo
- 专利权人： Lion Corporation
- 当前专利权人： Lion Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX62-304123 19871201; JPX62-309296 19871207
- 主分类号： A61K9/00
- IPC分类号： A61K9/00 ; A61K9/70 ; B01D69/14 ; C09K19/00 ; C09K19/38
摘要：
A polymer membrane for delivering a drug is provided. The membrane is capable of regulating the delivery of the drug and comprises (A) a porous hydrophobic polymer membrane having a pore diameter of not larger than 3 .mu.m and a porosity of 10 to 90% which is immobilized with (B) a specific liquid crystal-forming compound having a gel/liquid crystal transition temperature in the range of 25.degree. to 45.degree. C.
公开/授权文献
- US6164926A Variable displacement compressor 公开/授权日：2000-12-26
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