Thermal print assembly

Details Thermal print assembly Thermal print assembly

2006-11-14

2006-11-14

Hess, Bruce H. (Department: 1774)

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

Reexamination Certificate

active

07135433

ABSTRACT:
A print assembly is described, wherein the print assembly includes a dye-donor element having a dye-donor layer, wherein the dye-donor element includes a donor stick preventative agent; and a receiver having a dye image-receiving layer, wherein the receiver includes a receiver stick preventative agent of the formula:wherein R1is an alkyl chain of C9H19or greater; R2is an alkyl chain of C3H6or greater; A is NH—R3, NHNH2, NHCO—R3, NH—R4—NH2, or NHCO—R4—NH2; R3is alkyl chain of C2H5or greater; R4is an alkyl chain of C2H4or greater; m is from about 0 to 95 weight percent; n is from about 0 to about 70 weight percent; p is from 0 to about 40 weight percent; and q is from 0 to 95 weight percent, with the proviso that when m is 0, then n is 0, and R3is an alkyl chain of C8H17or greater, otherwise when m is greater than 0, n is from 0.1 to 70 weight percent, based on the total weight of the receiver stick preventative agent, and wherein the dye-donor element and receiver are in superposed position such that the dye-donor layer is adjacent the dye image-receiving layer. The use of stick preventative agents in both the dye-donor element and the receiver element can enable high speed printing without donor-receiver sticking.

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