Patent number: 5674661
Abstract: A laser dye removal recording element comprising a support having thereon a dye layer comprising an image dye dispersed in a polymeric binder, the dye layer having an infrared-absorbing material associated therewith, and wherein the image dye comprises a cyan disazo dye having the following formula: ##STR1## wherein: R.sup.1, R.sup.3, and R.sup.4 each independently represents nitro, hydroxy, alkyl, aryl, fused aryl, fused heteroaryl, carboxy, alkylcarbonyl, arylcarbonyl, hydrogen, alkenyl, cycloalkyl, haloalkyl, cyanoalkyl, hydroxyalkyl, alkoxy, alkoxyalkyl, aryloxyalkyl, alkoxyalkylcarbonyl, aryloxyalkylcarbonyl, alkoxyalkoxyalkyl, hydroxyalkyl, hydroxyalkoxyalkyl, hydroxyalkoxyalkylamino, alkenyloxyalkyl, alkoxycarbonyloxyalkyl, alkenylcarbonyl, aryloxyalkylcarbonyl, aminoalkyl, cyanoalkylcarbonyl, haloalkylcarbonyl, alkylamino, arylamino, amino, halogen, sulfonamido or arylazo;or R.sup.3 and R.sup.4 can be joined together at the 4- and 5- positions of the ring to form a diaminoalkylene group;R.sup.
Type:
Grant
Filed:
November 29, 1995
Date of Patent:
October 7, 1997
Assignee:
Eastman Kodak Company
Inventor:
Stephen Michael Neumann