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:
May. 26, 1987
Filed:
Dec. 24, 1985
Riom Laboratories C.E.R.M., Riom, FR;
Abstract
The invention relates to compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof, in which X represents either --CH.dbd. or --N.dbd., R.sub.1 represents an alkyl radical having 1 to 5 carbon atoms, R.sub.2 represents hydrogen and R.sub.3 is an alkyl radical having 1 to 5 carbon atoms, or R.sub.2 and R.sub.3, together with the nitrogen atom to which they are bonded, represent a heterocyclic radical, such as pyrrolidinyl, morpholino, 4-phenyl-piperazinyl, in which the phenyl radical can carry one or more substituents, such as a halogen atom, an alkyl or alkoxy radical having 1 to 5 carbon atoms or the trifluoromethyl radical, or represents 4-(2-pyrimidinyl)-piperazinyl, having anti-bronchoconstrictory properties.