Dye solution containing hindered solvent functionality

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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43027016, 43027018, 4302702, 4302701, 8582, 8607, 8609, 427240, G03C 173

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active

058043527

ABSTRACT:
A dye solution comprising a laser recordable dye and a solvent for the dye that has (a) a solvent functional group selected from esters, ketones and ethers; and (b) the solvent functional group has as hindering groups (i) at least one t-butyl group on one side thereof or (ii) two groups on opposite sides thereof selected from the group consisting of isoamyl, t-butyl, isobutyl and isopropyl; provided that both groups cannot be isopropyl and (c) the hindering groups are adjacent to the solvent functional group.

REFERENCES:
patent: 3954397 (1976-05-01), Desiderio
patent: 3965350 (1976-06-01), Molina
patent: 4028118 (1977-06-01), Nakasuji et al.
patent: 4160642 (1979-07-01), Desiderio
patent: 5283094 (1994-02-01), Sasakawa et al.
patent: 5378589 (1995-01-01), Sawada et al.
Bschorr et al, CA abstract 113:43472.

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