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:
Feb. 19, 2013

Filed:

Oct. 19, 2009
Applicants:

Setsuo Takeuchi, Tokyo, JP;

Yasushi Yoshikawa, Tokyo, JP;

Inventors:

Setsuo Takeuchi, Tokyo, JP;

Yasushi Yoshikawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 37/18 (2006.01); A61K 38/00 (2006.01); A61P 31/00 (2006.01); A61P 31/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The antimicrobial aqueous solution of the present invention comprises an original undiluted aqueous solution containing: 25 μg/ml to 50 μg/ml of an amphipathic preservative comprising a monoglycerol monolaurate; and 12.5 μg/ml to 30 μg/ml of an ε-polylysine. In preparing the antimicrobial aqueous solution, dissolution of the amphipathic antimicrobial can be promoted by addition of a sucrose monolaurate and by heating to 35° C. to 60° C. This antimicrobial aqueous solution can be used effectively, even within a range of concentrations lower than concentrations to be typically used for amphipathic antimicrobials. It is possible to adopt a diglycerol monolaurate, instead of the monoglycerol monolaurate.


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