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:
Aug. 06, 2002
Filed:
Apr. 06, 1999
Applicant:
Inventors:
Toshio Inagi, Mishima, JP;
Akira Mada, Ihara-gun, JP;
Assignee:
Kowa Company, Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/1165 ; A61K 4/710 ; A61K 4/712 ;
U.S. Cl.
CPC ...
A61K 3/1165 ; A61K 4/710 ; A61K 4/712 ;
Abstract
A local anesthetic for external use is prepared by blending a) an active ingredient selected from lidocaine, prilocaine, and pharmaceutically acceptable salts thereof; b) a percutaneous absorption accelerator, c) ethanol and/or isopropyl alcohol, and d) water, such that the blending ratio of ethanol and/or isopropyl alcohol to water is 0.5 to 1.2 by weight, and the pH is 6.0 to 8.5.