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. 10, 2006
Filed:
Nov. 29, 2001
Tohru Nagahama, Tokyo, JP;
Tomoaki Yoshino, Tokyo, JP;
Tohru Nagahama, Tokyo, JP;
Tomoaki Yoshino, Tokyo, JP;
Taisho Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
A W/O/W type composite emulsion, wherein a W/O type emulsion containing water, an oil ingredient and a lipophilic emulsifier each in a proportion expressed in term of mass ratio falling within a range enclosed with bold lines in FIG.is dispersed in an external aqueous phase with a water-soluble macromolecule blended therein has a sufficient stability, and permits preserving a percent inclusion of medical substances included in an internal aqueous phase of the W/O/W type composite emulsion at a high level. Because of the characteristics, it is now possible to blend in a liquid formulation medical substances having an unfavorable taste or unstable medical substances which have to date hardly been included in liquid formulations with low viscosity, so that the W/O/W type composite emulsion can be utilized for liquid formulations including a liquid formulation for internal application, injections, etc.