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Thermally-transferable fluorescent europium complexes

  • US 5,006,503 A
  • Filed: 03/13/1990
  • Issued: 04/09/1991
  • Est. Priority Date: 03/13/1990
  • Status: Expired due to Term
First Claim
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1. A donor element for thermal transfer comprising a support having on one side thereof a fluorescent europium complex dispersed in a polymeric binder, said complex having the formula:

  • ##STR41## wherein;

    D is a substituted or unsubstituted, aromatic, 5- or 6-membered carbocyclic or heterocyclic moiety; and

    J is --CF3, --CH3, --CH2 F or --CHF2.

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