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. 01, 1977
Filed:
Apr. 04, 1974
Atso Ilvespaa, Allschwil, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Amines of the formula Ia ##STR1## WHEREIN A is a 1- or 2-[9,10-dihydro-9,10-ethono(or etheno)anthryl] radical, especially of the formula Ib ##STR2## WHEREIN Ph denotes an optionally substituted o-phenylene radical, Z represents an optionally lower-alkylated ethylene or ethenylene radical, R.sub.3 denotes lower alkyl radicals, lower alkoxy radicals, hydroxyl groups, nitro groups, amino groups, trifluoromethyl groups, nitrile or halogen atoms or above all hydrogen and n represents the numbers 1, 2 or 3, R.sub.1 denotes hydrogen or lower alkyl and R.sub.2 is hydrogen, lower alkyl, aryl-lower alkyl or optionally functionally modified carboxy-lower alkyl, or R.sub.1 and R.sub.2 together represent a divalent hydrocarbon radical of aliphatic character which can optionally be interrupted by hetero-atoms and/or be substituted, which are valuable excitations inhibitors and nacosic-boosting compounds.