ATBECHDEFRGBITLILUNLSE0217597EUROPEAN PATENT APPLICATIONA319880608EP8630718519860918353422619850926DE1988060819882319870408198715 6C 10M 173/00 A 6C 10N 30:16 B 6C 10N 40:20 B 6C 10M 173:00 B 6C 10M 129:24 B 6C 10M 137:04 BenWater-miscible metalworking lubricantsfrLubrifiants pour le traitement de métaux miscibles à l'eaudeWassermischbare MetallbearbeitungsschmiermittelMOBIL OIL CORPORATIONHuebner, JuergenSinning, Gudrun Klara Maria ElisabethATBECHDEFRGBITLILUNLSE19880608198823

Water-miscible metalworking lubricants containing formaldehyde-liberating compounds as biocides contain acidic organic phosphoric acid esters instead of conventional carboxylic acids in order to maintain prolonged biocide activity and also to reduce frothing upon dilution to aqueous emulsions or solutions.