Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1979-12-12
1981-05-12
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430244, 430246, 430247, 430249, 430251, 430444, 430456, 430486, 430493, 430637, G03C 554, G03C 148, G03C 530, G03C 102
Patent
active
042672554
ABSTRACT:
A processing composition adapted for use in a silver diffusion transfer film unit which comprises an aqueous alkaline solution, a silver halide developing agent and a surfactant comprising a hydrophobe and a polyethylene oxide portion containing an average of about 5-25 repeating units of ethylene oxide per hydrophobe.
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Kiely Philip G.
Polaroid Corporation
Schilling Richard L.
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