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. 27, 1987
Filed:
Jun. 02, 1986
Ikuo Adachi, Osaka, JP;
Yoshiharu Hiramatsu, Osaka, JP;
Motohiko Ueda, Osaka, JP;
Masaru Kawakami, Hyogo, JP;
Shionogi & Co., Ltd., Osaka, JP;
Abstract
Highly effective calcium channel blockers having potent antihypertensive and coronary vasodilating actions, i.e. 4,7-dihydrothieno[2,3-b]pyridine derivatives of the formula: ##STR1## wherein R.sup.1 is straight or branched chain C.sub.1 -C.sub.4 alkyl, alkoxyalkyl, or arylalkyl; R.sup.2 is hydrogen, straight or branched chain C.sub.1 -C.sub.4 alkyl, or alkoxycarbonyl; R.sup.3 is hydrogen, straight or branched chain C.sub.1 -C.sub.4 alkyl, phenyl which may be substituted by one or more halogens or alkoxy groups, optionally substituted cycloalkyl, or optionally substituted cycloalkylalkyl; or R.sub.2 and R.sup.3 taken together may form an alkylene.