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.

Date of Patent:
Jun. 09, 2015

Filed:

Apr. 09, 2010
Applicants:

Hirokazu Kobayashi, Yokohama, JP;

Eiko Kosugi, Yokohama, JP;

Nobuo Kubota, Yokohama, JP;

Inventors:

Hirokazu Kobayashi, Yokohama, JP;

Eiko Kosugi, Yokohama, JP;

Nobuo Kubota, Yokohama, JP;

Assignees:

POLA PHARMA INC., Tokyo, JP;

NIHON NOHYAKU CO., LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/4178 (2006.01); A61K 9/70 (2006.01); A61K 9/00 (2006.01); A61K 9/08 (2006.01);
U.S. Cl.
CPC ...
A61K 9/7015 (2013.01); A61K 9/0014 (2013.01); A61K 9/08 (2013.01); A61K 31/4178 (2013.01);
Abstract

In a pharmaceutical composition for external use containing a compound such as luliconazole and/or a salt thereof, comprised are a higher alcohol which is in a liquid state at 1 atm and 25° C. and/or a diester of a dibasic acid, provided that a diester carbonate is excluded, and a polyoxyethylene alkyl ether and/or a polyoxyethylene alkenyl ether. Provided is a preparation using a solvent other than crotamiton, propylene carbonate, and N-methyl-2-pyrroridone as a solvent for solubilization and steric stabilization and having the following properties: 1) when a compound represented by the general formula (1) and/or a salt thereof has a stereoisomer, the amount of the stereoisomer of the compound and/or a salt thereof produced under a preservation condition of 60 degrees C. for 3 weeks is 1% by mass or less with respect to the total mass of the compound and/or a salt thereof at the beginning of preservation; 2) the preparation is in a clear liquid state when preserved at a constant temperature of 20° C. immediately after manufacture; and 3) no crystal is deposited when the preparation is preserved at 5° C. for 2 weeks after manufacture.


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