Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1996-11-25
1998-01-06
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...
430239, 430375, 430376, 430383, 430393, 430446, 430487, 430390, G03C 832, G03C 810, G03C 818, G03C 5305
Patent
active
057053120
ABSTRACT:
There is described a photographic system wherein development of an exposed photosensitive element is carried out in the presence of a quaternary pyridinium compound which has a fused 5 - to 12 - member saturated carbocyclic ring attached to the 2 and 3 positions of the pyridine ring.
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J. Koyama et al. "Thermolysis of Oxime O-Allyl Ethers: A New Method for Pyridine Synthesis," Chem. Pharm. Bull. 31(8) 2601-2606 (1983).
Guarrera Donna J.
Mattucci Neil C.
Mehta Avinash C.
Taylor Lloyd D.
Warner John C.
Kispert Jennifer A.
Polaroid Corporation
Schilling Richard L.
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