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:
Jan. 07, 2020
Filed:
Aug. 05, 2016
Kaneka Corporation, Osaka-shi, JP;
Tatsuyoshi Tanaka, Takasago, JP;
Masaya Mizutani, Takasago, JP;
Hiroyuki Ogino, Takasago, JP;
Mitsuji Akazawa, Takasago, JP;
Akio Fujii, Takasago, JP;
Naohiro Imai, Takasago, JP;
KANEKA CORPORATION, Osaka-shi, JP;
Abstract
It is an object of the present invention to provide a patch having practical adhesive force and cohesive force as a pharmaceutical product, and also exhibiting a fast-acting anesthetic action. The present invention provides a patch formed from an adhesive layer comprising 5% by weight or more and less than 20% by weight of a mixture of lidocaine and another local anesthetic, wherein the adhesive layer comprises at least a rubber-based pressure-sensitive adhesive and liquid paraffin and a content of a tackifier in the adhesive layer is 10% by weight or less.