Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1996-02-29
1997-05-20
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430223, 430544, 430564, 430607, 430611, 430955, 430957, 430959, G03C 134, G03C 142, G03C 143, G03C 7305
Patent
active
056311257
ABSTRACT:
A photographic element is disclosed containing a compound capable of releasing image-wise a photographic useful group (PUG) based on a mechanism involving radical formation under development conditions and splitting of a homolytically labile bond. In a preferred embodiment the compound capable of releasing the PUG is a hydrazine derivative or a 1-aryl-3-pyrazolidinone derivative.
REFERENCES:
patent: 4698297 (1987-10-01), Ichijima et al.
patent: 5202225 (1993-04-01), Nakamine et al.
patent: 5326680 (1994-07-01), Ohkawa et al.
patent: 5395732 (1995-03-01), Katoh et al.
De Clercq Pierre
Dewanckele Jean-Marie
Hosten Noel
Loccufier Johan
Van Haver Dirk
Agfa-Gevaert N.V.
Schilling Richard L.
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