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, 1977
Filed:
Dec. 13, 1973
Applicant:
Inventors:
Hirosada Sugihara, Osaka, JA;
Michio Motohashi, Kobe, JA;
Masazumi Watanabe, Osaka, JA;
Masao Nishikawa, Kyoto, JA;
Yasushi Sanno, Osaka, JA;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260574 ; 2603455 ; 260430 ; 2604 / ; 26050118 ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 260575 ; 424283 ; 424316 ; 424330 ;
Abstract
Novel bicyclic compounds of the general formula: ##STR1## wherein Y stands for --O-- or a methylene group, Z stands for hydrogen or an alkyl group having 1 to 6 carbon atoms and R stands for hydrogen or an alkyl group having 1 to 6 carbon atoms are useful as medicines for treatment of asthma or arrhythmia.