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:
Oct. 30, 2001
Filed:
May. 03, 2000
Applicant:
Inventors:
Takanori Ogawa, Tokyo, JP;
Takashi Yaegashi, Tokyo, JP;
Seigo Sawada, Tokyo, JP;
Tomio Furuta, Tokyo, JP;
Assignee:
Kabushiki Kaisha Yakult Honsha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
The present invention relates to new camptothecin derivatives shown by the below formula, which are water-soluble and excellent in an anti-tumor activity, and to salts thereof.