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. 08, 1985
Filed:
Aug. 16, 1983
Per G Kjellin, Lund, SE;
Carl G Persson, Loberod, SE;
Aktiebolaget Draco, Lund, SE;
Abstract
The invention refers to compounds having activity against chronic obstructive airway disease or cardiovascular disease, characterized by the formula ##STR1## wherein R.sup.1 is ethyl, n-propyl, n-butyl, isobutyl, n-pentyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, cyclopropyl, cyclobutyl, cyclopentyl or cyclohexylmethyl, and R.sup.2 is methyl, ethyl, n-propyl, isopropyl, cyclopropyl, n-butyl, isobutyl, tert. butyl, or cyclobutyl provided that R.sup.1 is ethyl when R.sup.2 is methyl, or a physiologically acceptable salt thereof. The invention also refers to processes for the preparation of these compounds, a pharmaceutical preparation containing one of the compounds and a method for the treatment of chronic obstructive airway disease and cardiovascular disease.