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:
Jan. 07, 1992
Filed:
Jun. 14, 1989
Applicant:
Inventors:
Toru Sugaya, Nara, JP;
Yukiteru Mimura, Shizuoka, JP;
Yasushi Shida, Shizuoka, JP;
Yutaka Osawa, Shizuoka, JP;
Ikuo Matsukuma, Tokyo, JP;
Shiro Akinaga, Shizuoka, JP;
Makoto Morimoto, Shizuoka, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544 586 ; 544125 ; 544361 ; 546 66 ;
Abstract
Novel pyrazoloacridone compounds represented by the following formula: ##STR1## and pharmaceutically acceptable salts thereof have an excellent anti-tumor activity.