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. 14, 1986
Filed:
Apr. 11, 1984
Takeda Chemical Industries, Ltd., Osaka, JP;
Abstract
Novel condensed, seven-membered ring compounds of the formula: ##STR1## [wherein R.sup.1 and R.sup.2 each represent hydrogen, halogen, trifluoromethyl, lower alkyl or alkoxy, or both jointly form tri- or tetramethylene; R.sup.3 is hydrogen, lower alkyl or aralkyl; R.sup.4 is hydrogen or alkyl, aralkyl or cycloalkylalkyl which may be substituted; X is a group represented by the formula S(O).sub.n (where n is an integer of 0 to 2); Y is a carboxyl group which may be esterified or amidated; m is 1 or 2] and salts thereof. These compounds exhibit inhibitory activity on angiotensin converting enzyme and so forth, and are of value as an agent for diagnosis, prevention and treatment of hypertension.