A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) A61L 15/58 (2006.01) C08G 18/10 (2006.01) C08G 18/28 (2006.01) C08G 18/48 (2006.01) C09J 175/08 (2006.01)
Patent
CA 2099273
Pressure sensitive adhesives for transdermal absorption formulations comprising a segmented polyurethane, which can control dissolution and a releasing property of drugs of various kinds which are solid at normal temperature; said segment being an alkylene oxide chain which is in a liquid state at a temperature of around normal temperature to around body temperature, and said segment containing a hydrophilic alkylene oxide chain and a hydrophobic alkylene oxide chain, or comprising one or both of them and an alkylene oxide chain in which a hydrophilic moiety and a hydrophobic moiety are present in the mixed manner.
Hata Kunihiro
Shikinami Yasuo
Osler Hoskin & Harcourt Llp
Takiron Co. Ltd.
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