Patent ID: 6306843
Filing Date: 2001-10-23
Classification: A61K

Abstract:
A method for producing a stable acetylsalicylic acid solution comprising dissolving acetylsalicylic acid in a pharmaceutically acceptable non-aqueous organic solvent selected from the group consisting of dimethylisosorbide, propylene glycol and diethylene glycol monethyl ether, together with 0.05-2% by weight of a cyclic acid imide, or 0.05-2% by weight of a sulfaminic acid or both a cyclic acid imide and a sulfaminic acid and 1-40% by weight, based on the weight of the solution, of a compound of the formula: ##STR3##wherein R.sub.1 represents H, CH.sub.3 or C.sub.2 H.sub.5, n=0 or 1, and R.sub.2 represents H or a lower alkyl, lower alkyloxy or lower alkenyl group each having 1 to 5 carbon atoms.