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:
Jun. 25, 2013
Filed:
Jul. 29, 2010
Li-heng Pao, Taipei, TW;
Nion-heng Shiao, Taoyuan, TW;
Kuo-hua Yang, Taoyuan, TW;
Jui-ming Chou, Taipei, TW;
Li-Heng Pao, Taipei, TW;
Nion-Heng Shiao, Taoyuan, TW;
Kuo-Hua Yang, Taoyuan, TW;
Jui-Ming Chou, Taipei, TW;
Taiwan Biotech Co., Ltd., Taipei, TW;
Abstract
This invention relates to a process for preparing a pharmaceutical composition comprising four antitubercular drugs: rifampin or a pharmaceutically acceptable salt thereof, isoniazid or a pharmaceutically acceptable salt thereof, pyrazinamide or a pharmaceutically acceptable salt thereof and ethambutol or a pharmaceutically acceptable salt thereof, wherein rifampin and isoniazid are in separate layers. The invention also provides a pharmaceutical composition prepared therefrom having advantageous stability and bioavailability.