{TAIL ~ Metal complexes} of zinc, copper, cobalt and {HEAD ~ nickel} and N β hydroxyalkylated or γ aminoalkylated α aminocarboxylic acids which are substituted at the α carbon atom have excellent heat resistance, in particular a good heat resistance under oxydative influences 
{ TAIL ~ Metal complexes } of zinc , copper , cobalt and { HEAD ~ nickel } and N β hydroxyalkylated or γ aminoalkylated α aminocarboxylic acids which are substituted at the α carbon atom have excellent heat resistance , in particular a good heat resistance under oxydative influences
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH