Radiation imagery chemistry: process – composition – or product th – Nonradiation sensitive image processing compositions or... – Bleach or intensification
Patent
1992-10-30
1993-11-30
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Nonradiation sensitive image processing compositions or...
Bleach or intensification
430393, 430430, 430461, G03C 728
Patent
active
052664490
ABSTRACT:
A bleaching bath for processing of a color photographic silver halide material which contains the ferric complex of alaninediacetic acid as the bleaching agent and in a dye-stabilizing amount a formaldehyde precursor of the formula ##STR1## wherein X and Y denote the residual atoms of a hetero aromatic 5- or 6-membered ring,
yields color photographic images with excellent dye-stabilizing. In the atmosphere above the stabilizing bath no formaldehyde is detectable.
REFERENCES:
patent: 3241966 (1966-03-01), Heilmann et al.
patent: 3615508 (1971-10-01), Stephen et al.
patent: 4599427 (1986-07-01), Oeckl et al.
patent: 4914008 (1990-04-01), Kurematsu et al.
patent: 4960682 (1990-10-01), Cullinan et al.
Dacke Christa
Langen Hans
Odenwalder Heinrich
AGFA Gevaert AG
Le Hoa Van
LandOfFree
Bleaching bath does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Bleaching bath, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bleaching bath will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2094893