The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2020
Filed:
Sep. 01, 2017
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Satoshi Wakamatsu, Ashigarakami-gun, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01); B81B 1/00 (2006.01); B81B 7/04 (2006.01); B81C 1/00 (2006.01); B29C 39/02 (2006.01); B29C 39/26 (2006.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
A61M 37/0015 (2013.01); A61M 37/00 (2013.01); B29C 39/026 (2013.01); B29C 39/26 (2013.01); B81B 1/00 (2013.01); B81B 1/008 (2013.01); B81B 7/04 (2013.01); B81C 1/00 (2013.01); B81C 1/00111 (2013.01); A61M 2037/0023 (2013.01); A61M 2037/0046 (2013.01); A61M 2037/0053 (2013.01); B29K 2105/0035 (2013.01); B29K 2105/0073 (2013.01); B29K 2883/00 (2013.01); B29L 2031/7544 (2013.01); B81B 2201/055 (2013.01);
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.