Oblon, Fisher, Spivak, McClelland & Maier
Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides
 A process for improving the lightfastness of dyeings obtained with acid dyes and/or metal complex dyes on polyamide textile materials, by treating the latter and 0.01-1% by weight of a copper hydroxamate before, during or after dyeing. 
BASF Aktiengesellschaft
D C D Y C
D06P C09B D06P Y10S C07F
inventional inventional inventional additional inventional
Michael Reinhold Peter Dieter
Thomas Krallmann Neumann Wegerle