Capsular imaging system comprising decolorizing agent

Details Capsular imaging system comprising decolorizing agent Capsular imaging system comprising decolorizing agent

1982-08-25

1983-11-22

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430211, 430235, 430374, 430541, 282 275, G03C 700, G03C 140, B41L 120

Patent

active

044169663

ABSTRACT:
A capsular imaging system wherein the imaging material comprises a support coated on one surface with a layer of capsules containing, as an internal phase, a radiation sensitive composition and a decolorizing agent; images are formed by a dry process wherein the aforesaid sheet is image-wise exposed; exposure of the sheet controls release of the decolorizing agent from the capsules which image-wise reacts with a dye layer and causes a color change. Embodiments are also disclosed in which the decolorizing agent inhibits or reverses the color forming reaction between a dye precursor and a dye developer.

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Modern Photography, "What's Ahead?", Varden, Lloyd E., p. 86, 1958.

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