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:
Aug. 09, 2011
Filed:
Apr. 18, 2005
Applicants:
Masako Nakazawa, Tokyo, JP;
Ritsuo Aiyama, Tokyo, JP;
Masato Nagaoka, Tokyo, JP;
Inventors:
Assignee:
Kabushiki Kaisha Yakult Honsha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 43/42 (2006.01); A61K 31/44 (2006.01); C07D 519/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A camptothecin-containing pharmaceutical composition which contains: (a) camptothecin or a derivative thereof, and (b) one or more compounds selected from among ascorbic acid or a salt thereof, sodium hydrogen sulfite, sodium sulfite, potassium pyrosulfite, sodium erythorbate, sodium thioglycolate, sodium pyrosulfite, and α-thioglycerin. The pharmaceutical composition is useful in that, after storage for a long period of time or under light-irradiation conditions, camptothecin or a derivative thereof contained therein undergoes minimum degradation.