USE OF FLUORESCENT DYES BASED ON PYRRHOMETHENE DIFLUOROBORATE COMPLEXES FOR THE FLUORESCENT MARKING OF LUBRICANTS AND FOR THE DETERMINATION OF LEAKAGES IN LUBRICANT SYSTEMS AND A CORRESPONDING FLUORESCENT DYE CONCENTRATE

摘要

The invention relates to the use of fluorescent dyes, based on pyrromethene difluoroborate complexes for the fluorescence marking of lubricants and for the determination of leakages in lubricant systems and a corresponding fluorescent dye concentrate.