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. 06, 1981
Filed:
Aug. 07, 1979
Applicant:
Inventors:
Masayuki Ishikawa, Setagaya-ku, Tokyo 156, JP;
Hiromichi Tanaka, Yokohama, JP;
Yukuo Eguchi, Chiba, JP;
Shigeru Ito, Nagareyama, JP;
Yoshimi Takashima, Akishima, JP;
Masahiko Kobayashi, Kokubunji, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
424250 ; 544237 ; 544235 ;
Abstract
Novel 1-phthalazone derivatives of the following formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined in claim 1, and pharmaceutically acceptable acid addition salts thereof; a process for production thereof; a pharmaceutical composition containing said compound; and a method for treating a thrombotic disease using said compound.