Bleach-fix sheets

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...

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430215, 430223, 430238, 430242, 430371, 430376, 430393, 430451, 430460, 430461, 430497, G03C 700, G03C 532

Patent

active

042568269

ABSTRACT:
A bleach-fix sheet for use in color photographic processes comprises a support having thereon a bleaching agent, a fixing agent and a hardened hydrophilic binder. In a preferred embodiment, the bleach-fix sheet is useful to bleach and fix a retained image in a color image diffusion transfer unit.

REFERENCES:
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patent: 3923510 (1975-12-01), Staples
patent: 3954473 (1976-05-01), Lambert
patent: 4088486 (1978-05-01), Bissonette
patent: 4168169 (1979-09-01), Humphlett et al.
The Theory of the Photographic Process 4th Ed.-James MacMillan, N.Y. .COPYRGT.1977 pp. 450-453.

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