A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 37/00 (2006.01) A61K 9/70 (2006.01) A61K 31/465 (2006.01)
Patent
CA 2563496
The present invention provides a production method of a nicotine transdermal preparation, which is capable of producing a nicotine transdermal preparation conveniently and economically, while maintaining highly precise content uniformity, which is capable of producing a preparation simultaneously achieving fixedness and a soft feeling during adhesion, associated with reduced skin irritation upon peeling off and superior in adhesive property. The present invention provides a nicotine transdermal preparation superior in content uniformity, simultaneously achieving fixedness and a soft feeling during adhesion, and showing reduced skin irritation upon peeling off. The present invention provides a method of producing a preparation containing a support and an adhesive layer formed thereon, which adhesive layer containing nicotine and a liquid ingredient compatible with the adhesive, which method includes (1) providing the adhesive layer wherein a contact angle of nicotine with the adhesive layer before containing nicotine is 20-60°, and (2) applying nicotine to the adhesive layer to allow absorption of nicotine into the adhesive layer, as well as a preparation containing a support and an adhesive layer formed thereon, which adhesive layer including nicotine and a liquid ingredient compatible with the adhesive, wherein a contact angle of nicotine with the adhesive layer before containing nicotine is 20-60°.
Kikuchi Shunetsu
Matsuoka Kensuke
Ninomiya Kazuhisa
Saito Junichi
Satoda Shiro
Fetherstonhaugh & Co.
Nitto Denko Corporation
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