EP 0965883 A1 19991222 - Ecological cleaning liquid for photographic processor
Title (en)
Ecological cleaning liquid for photographic processor
Title (de)
Ökologische Reinigungsflüssigkeit für Entwicklungsbäder für Fotos
Title (fr)
Liquide de nettoyage écologique pour processeur photographique
Publication
Application
Priority
EP 98202038 A 19980618
Abstract (en)
An improved ecological one-step cleaning liquid for photographic processing equipment is disclosed. The aqueous solution comprises (1) an aminopolycarboxylic acid chelate of an iron(III) salt, (2) a silver complexing agent, and (3) a silver oxidation accelerator of a particular type. Preferably, also a monophosphate salt is present.
IPC 1-7
IPC 8 full level
C11D 3/33 (2006.01); C11D 3/34 (2006.01); C11D 11/00 (2006.01); G03C 11/00 (2006.01)
CPC (source: EP)
C11D 3/33 (2013.01); C11D 3/349 (2013.01); G03C 11/005 (2013.01); C11D 3/3427 (2013.01); C11D 2111/20 (2024.01)
Citation (search report)
- [X] CH 490696 A 19700515 - AGFA GEVAERT AG [DE]
- [X] US 4914009 A 19900403 - UEDA SHINJI [JP], et al
- [X] FR 2241095 A1 19750314 - EASTMAN KODAK CO [US]
- [X] DE 2102713 A1 19720810
- [A] DE 4034873 A1 19920507 - WOLFEN FILMFAB AG [DE]
- [DA] US 5266121 A 19931130 - CIOLETTI KENNETH R [US]
- [A] US 5464727 A 19951107 - SINGER DOUGLAS E [US]
- [A] US 5476593 A 19951219 - CHRIST CHARLES S [US], et al
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 98202038 A 19980618