Thermal-dye-bleach construction comprising a polymethine dye and

Details Thermal-dye-bleach construction comprising a polymethine dye and Thermal-dye-bleach construction comprising a polymethine dye and

1992-12-21

1994-05-24

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430522, 430339, 430944, 430964, 252583, 252587, G03C 106, G03C 1815, G03C 1825

Patent

active

053147952

ABSTRACT:
A thermal-dye-bleach construction comprising a polymethine dye having a nucleus of general formula I: ##STR1## in association with a thermal-carbanion-generating agent having the general formula: ##STR2## wherein the substituents are as defined in the specification and claims.

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