Invention Grant
- Patent Title: Non-aqueous patch
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Application No.: US14346794Application Date: 2011-09-27
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Publication No.: US10765640B2Publication Date: 2020-09-08
- Inventor: Tatsuya Mori , Naoyuki Saida
- Applicant: Tatsuya Mori , Naoyuki Saida
- Applicant Address: JP Tokyo JP Saga
- Assignee: ITOCHU CHEMICAL FRONTIER Corporation,OISHI KOSEIDO CO., LTD.
- Current Assignee: ITOCHU CHEMICAL FRONTIER Corporation,OISHI KOSEIDO CO., LTD.
- Current Assignee Address: JP Tokyo JP Saga
- Agency: Cooley LLP
- International Application: PCT/JP2011/072072 WO 20110927
- International Announcement: WO2013/046335 WO 20130404
- Main IPC: A61K9/70
- IPC: A61K9/70 ; A61K31/167

Abstract:
[Problem]If lidocaine is composed of non-aqueous patch, the adhesive power of the preparation tends to get lower, as the composition amount of lidocaine is higher. It is popular to solve lidocaine in dissolving agent in order to compose lidocaine in patch and release effective amount into skin. However, if the amount of dissolving agent gets higher, the adhesive power gets extremely lower, so that an long-time attachment is difficult.[Solution]A non-aqueous patch comprising lidocaine and/or its reactant, and a dissolving agent which are contained in a base of plaster, the plaster being hold by a support, of which strength of 50% stretched to longitudinal direction is less than 2,000 g/50 mm and of biaxially-oriented stretch cloth.
Public/Granted literature
- US20140356412A1 Non-Aqueous Patch Public/Granted day:2014-12-04
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