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:
Nov. 11, 2014
Filed:
Jun. 16, 2011
Applicants:
Kiran Kumar Kothakonda, Brantford, CA;
Allan W. Rey, Brantford, CA;
Inventors:
Kiran Kumar Kothakonda, Brantford, CA;
Allan W. Rey, Brantford, CA;
Assignee:
Apotex Pharmachem Inc., Brantford, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 498/22 (2006.01); A61K 31/395 (2006.01); A61K 31/437 (2006.01); C07D 498/18 (2006.01);
U.S. Cl.
CPC ...
C07D 498/18 (2013.01); C07D 498/22 (2013.01);
Abstract
Provided for in the instant application are two additional polymorphic forms of rifaximin; namely substantially pure APO-I and APO-II. Also provided are processes for preparing substantially pure APO-I and APO-II. Rifaximin is a non-aminoglycoside antibiotic that has previously been found to be useful for the treatment of traveller's diarrhea caused bybacteria, as well as in the treatment of irritable bowel syndrome, diverticular disease, hepatic encephalopathy, pyogenic skin infections and as an antibacterial prophylactic prior to colon surgery.