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:
Feb. 04, 1986
Filed:
Feb. 11, 1981
Arto J Karjalainen, Oulu, FI;
Kauko O Kurkela, Oulu, FI;
Farmos Yhtyma Oy, Turku, FI;
Abstract
The invention provides compounds of the formula: ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3, which can be the same or different, is hydrogen, chloro, bromo, fluoro, methyl, ethyl, methoxy, amino, hydroxy or nitro; R.sub.4 is hydrogen or alkyl of 1 to 7 carbons atoms; X is ##STR2## (R.sub.5 is hydrogen or hydroxy) and n is 1-4; and their non-toxic pharmaceutically acceptable acid additions salts. These compounds exhibit valuable pharmacological activity and are useful in the treatment of mammals, especially as anti-hypertensive agents. Furthermore, some of the compounds have proved to possess diuretic, .beta.-blocking activity and/or antithrombotic activity. The compounds may be made by a variety of methods and may be incorporated in pharmaceutical compositions also comprising a compatible pharmaceutically acceptable carrier.