EP 0952485 B1 20031008 - Color photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layer
Title (en)
Color photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layer
Title (de)
Farbphotographisches Element mit elementarem Silber und stickstoffhaltigem Heterozyclus in einer lichtunempfindlichen Schicht
Title (fr)
Elément photographique couleur contenant de l'argent élémentaire et hétérocycle azoté dans une couche non-sensible à la lumière
Publication
Application
Priority
- EP 99200145 A 19990118
- US 1485598 A 19980129
- US 18684498 A 19981105
Abstract (en)
[origin: EP0952485A1] The invention provides a photographic element comprising a non-light sensitive layer containing elemental silver and a nitrogen heterocycle compound having a ClogP of at least 4.5, which compound comprises a ring system of one or more fused rings containing at least one -N-H bond, the ring system comprising a total of at least three nitrogen ring members and the associated bonds; provided that the compound does not contain an -SH group or >C=S group and does not react with an oxidized developer.
IPC 1-7
IPC 8 full level
G03C 1/825 (2006.01); G03C 7/392 (2006.01); G03C 7/30 (2006.01); G03C 7/305 (2006.01)
CPC (source: EP)
G03C 1/8255 (2013.01); G03C 7/39244 (2013.01); G03C 7/39256 (2013.01); G03C 1/34 (2013.01); G03C 1/825 (2013.01); G03C 7/3029 (2013.01); G03C 7/30541 (2013.01); G03C 7/39216 (2013.01); G03C 2200/25 (2013.01); G03C 2200/33 (2013.01)
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
DOCDB simple family (application)
EP 99201571 A 19990118