EP 0666496 A1 19950809 - Photographic silver halide elements comprising infrared sensitizing dyes.
Title (en)
Photographic silver halide elements comprising infrared sensitizing dyes.
Title (de)
Photographische, Infrarot-sensibilisierende farbstoffenthaltende Silberhalogenidelemente.
Title (fr)
Eléments photographiques à l'halogénure d'argent comprenant des colorants sensibilisateurs à l'infrarouge.
Publication
Application
Priority
EP 94101874 A 19940208
Abstract (en)
A process for stabilizing solutions of infrared sensitizing dyes and in particular, a process wherein a stabilizing amount of an organic reducing agent and of an organic or inorganic alkaline buffering agent has been used to increase the stability of the solution of infrared sensitizing dyes. A silver halide photographic element comprising a support, at least one infrared sensitive silver halide emulsion photosensitive layer and at least one hydrophilic colloid non photosensitive layer, wherein at least one infrared sensitive layer contains an infrared sensitizing dye and a stabilizing amount of an organic reducing agent and of an organic or inorganic alkaline buffering agent.
IPC 1-7
IPC 8 full level
G03C 1/06 (2006.01); G03C 1/005 (2006.01); G03C 1/20 (2006.01); G03C 1/28 (2006.01); G03C 1/34 (2006.01); G03C 5/16 (2006.01)
CPC (source: EP)
G03C 1/005 (2013.01); G03C 1/20 (2013.01); G03C 1/28 (2013.01); G03C 5/164 (2013.01)
Citation (search report)
- [A] EP 0568850 A1 19931110 - DU PONT [US]
- [X] US 4897343 A 19900130 - IKEDA TADASHI [JP], et al
- [X] US 3695888 A 19721003 - HILLER GARY L, et al
- [DA] US 4917997 A 19900417 - IKEDA TADASHI [JP], et al
- [A] US 3753721 A 19730821 - MILLIKAN A, et al
- [DA] US 5037734 A 19910806 - LENHARD JEROME R [US], et al
- [X] DATABASE WPI Section PQ Week 7633, Derwent World Patents Index; Class P83, AN 76-62327X
- [A] PATENT ABSTRACTS OF JAPAN vol. 12, no. 76 (P - 675)<2923> 10 March 1988 (1988-03-10)
- [A] PATENT ABSTRACTS OF JAPAN vol. 11, no. 156 (P - 578)<2603> 21 May 1987 (1987-05-21)
- [A] G HAIST: "MODERNOHOTOGRAPHIC PROCESSING VOLUME 1", 1979, JOHN WILEY AND SONS, NEW YORK
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
DOCDB simple family (application)
EP 94101874 A 19940208; JP 1904395 A 19950207