Infrared absorbing oxyindolizine dyes for dye-donor element used

Details Infrared absorbing oxyindolizine dyes for dye-donor element used Infrared absorbing oxyindolizine dyes for dye-donor element used

1989-06-20

1990-08-14

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428480, 428913, 428914, 430200, 430201, 430202, 430945, B41M 5035, B41M 526

Patent

active

049487787

ABSTRACT:
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an oxyindolizine dye. In a preferred embodiment, the oxyindolizine dye has the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or an aryl, cycloalkyl or hetaryl group having from about 5 to about 10 atoms;

REFERENCES:
patent: 4577024 (1986-03-01), Fletcher, Jr. et al.
D. Wadsworth et al., Tet. Letters, 37, 3569 (1981).

Affiliated with

Also associated with

Rating

Infrared absorbing oxyindolizine dyes for dye-donor element used does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Infrared absorbing oxyindolizine dyes for dye-donor element used, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Infrared absorbing oxyindolizine dyes for dye-donor element used will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-463064