Invention Grant
- Patent Title: Transdermal absorption sheet and method of producing the same
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Application No.: US15694409Application Date: 2017-09-01
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Publication No.: US10596361B2Publication Date: 2020-03-24
- Inventor: Satoshi Wakamatsu
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2015-041385 20150303
- Main IPC: A61M37/00
- IPC: A61M37/00 ; B81B1/00 ; B81B7/04 ; B81C1/00 ; B29C39/02 ; B29C39/26 ; B29K105/00 ; B29L31/00
Abstract:
Provided are a transdermal absorption sheet capable of achieving control of the dissolution rate and suppression of diffusion of a drug, and a method of producing the same. A transdermal absorption sheet includes a sheet portion, and a plurality of needle-like protruding portions formed by a plurality of frustum portions arranged on the sheet portion and needle portions arranged on the frustum portions, in which at least one of the needle-like protruding portions has a cavity portion extending from the sheet portion to the frustum portion.
Public/Granted literature
- US20170361080A1 TRANSDERMAL ABSORPTION SHEET AND METHOD OF PRODUCING THE SAME Public/Granted day:2017-12-21
Information query
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