Oblon, Fisher, Spivak, McClelland & Maier
Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides: treatment with copper hydroxamates
 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 with 0.01-1% by weight of a copper hydroxamate before, during or after dyeing. 
BASF Aktiengesellschaft
C Y D D C
C09B Y10S D06P D06P C07F
inventional additional inventional inventional inventional
Peter Reinhold Michael Dieter
Neumann Krallmann Thomas Wegerle