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. 01, 1991
Filed:
Jun. 26, 1990
Applicant:
Inventors:
Kyoichi A Watanabe, Rye-Brook, NY (US);
Masao Koyama, Yokohama, JP;
Ting-Chao Chou, New York, NY (US);
Assignee:
Sloan-Kettering Institute For Cancer Research, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ; C07C / ;
U.S. Cl.
CPC ...
514649 ; 514655 ; 514656 ; 514676 ;
Abstract
The present invention concerns compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen, a hydroxy group or a methoxy group;
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Watanabe, Kyoichi. (1991). Derivatives of chrysophanol as topoisomerase ii inhibitors (U.S. Patent No. 5053431). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5053431
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