Method of transferring a protective overcoat to a dye-donor...

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Imagewise heating – element or image receiving layers...

Reexamination Certificate

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Details

C430S200000, C430S961000, C156S230000, C156S234000, C156S235000, C156S238000, C156S240000, C503S227000

Reexamination Certificate

active

07018772

ABSTRACT:
This invention relates to a method for transferring a protective overcoat for a thermal print wherein the protective overcoat is applied to a dye-donor element under predesigned conditions after thermal dye transfer, the dye-donor element comprising patches of dye for transfer to a thermal print to provide a protective layer thereon. In particular, the invention improves the process of providing an improved level of gloss to the transferred protective overcoat. The method involves a preselected duration between printing and peeling the transferable laminate patch, respectively, to and from the donor. The invention is particularly advantageous at lower line times, faster printing, for thermal prints with high gloss.

REFERENCES:
patent: 4621271 (1986-11-01), Brownstein
patent: 5332713 (1994-07-01), Oldfield et al.
patent: 6362132 (2002-03-01), Simpson et al.
patent: 2003/0176283 (2003-09-01), Simpson et al.
patent: 2005/0064319 (2005-03-01), Simpson et al.
patent: WO 2005/032842 (2005-04-01), None

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