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:
Nov. 10, 2020
Filed:
Sep. 13, 2017
Applicant:
Nichiban Co., Ltd., Tokyo, JP;
Inventors:
Isao Hagiwara, Tokyo, JP;
Reona Koike, Tokyo, JP;
Assignee:
NICHIBAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/70 (2006.01); A61K 9/00 (2006.01); A61K 47/34 (2017.01); A61K 31/167 (2006.01); A61P 25/02 (2006.01); A61K 47/12 (2006.01); A61K 47/44 (2017.01); A61P 23/02 (2006.01);
U.S. Cl.
CPC ...
A61K 9/7023 (2013.01); A61K 9/70 (2013.01); A61K 9/7046 (2013.01); A61K 31/167 (2013.01); A61K 47/12 (2013.01); A61K 47/44 (2013.01); A61P 23/02 (2018.01);
Abstract
A nonaqueous adhesive skin patch at least comprises a backing film and an adhesive layer placed thereabove, the adhesive layer containing a local anesthetic, wherein when the total mass of an adhesive is set to 100% by mass, the adhesive layer includes the following in the ratio of: 20 to 40% by mass of an elastomer; 20 to 35% by mass of a softener; 20 to 40% by mass of a resin; 3.0 to 7.0% by mass of the local anesthetic; and 0.3 to 4.0% by mass of organic acid, and wherein the adhesive layer has a mass per unit area of 100 to 200 g/m.