Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1977-02-02
1981-02-10
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...
430505, 430560, 430583, 542452, G03C 140, G03C 116, G03C 118, G03C 120
Patent
active
042502446
ABSTRACT:
Photosensitivity of a blue-sensitive emulsion in a multi-color diffusion transfer photographic system is enhanced by sensitizing the emulsion with certain 3,3'-disubstituted 4,5-benzothia-thiacyanine betaines.
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Borror Alan L.
Hill Ruth L.
Kiely Philip G.
Polaroid Corporation
Schilling Richard L.
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