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:
May. 18, 2021
Filed:
Aug. 30, 2017
Applicant:
Hisamitsu Pharmaceutical Co., Inc., Tosu, JP;
Inventors:
Naoki Yamamoto, Tsukuba, JP;
Seiji Tokumoto, Tsukuba, JP;
Assignee:
HISAMITSU PHARMACEUTICAL CO., INC., Tosu, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01); A61K 47/36 (2006.01); A61K 9/00 (2006.01);
U.S. Cl.
CPC ...
A61M 37/0015 (2013.01); A61K 9/00 (2013.01); A61K 47/36 (2013.01); A61M 37/00 (2013.01); A61M 2037/0023 (2013.01); A61M 2037/0046 (2013.01); A61M 2037/0053 (2013.01);
Abstract
A microneedle sheet is disclosed that comprises a plurality of microneedles formed on a sheet generally along a principal surface of the sheet, wherein the microneedles contain a water-soluble polysaccharide and water, the water content is 1 mass % or more and less than 19 mass % based on the total mass of the microneedles, and the microneedles are raised from the principal surface by bending the sheet.