EP 0759190 A1 19970226 - N-ALKYLHYDROXYLAMINE DERIVATIVES AND THEIR USE AS ANTIOXIDANTS IN PHOTOGRAPHIC COLOR DEVELOPERS AND PROCESSING METHODS
Title (en)
N-ALKYLHYDROXYLAMINE DERIVATIVES AND THEIR USE AS ANTIOXIDANTS IN PHOTOGRAPHIC COLOR DEVELOPERS AND PROCESSING METHODS
Title (de)
ALKYLHYDROXYLAMINDERIVATE UND IHRE VERWENDUNG ALS ANTIOXYDANTIEN IN PHOTOGRAPHISCHEN FARBENTWICKLERN UND BEARBEITUNGSVERFAHREN
Title (fr)
DERIVES N-ALKYLHYDROXYLAMINES, UTILISATION DE CES DERIVES COMME ANTIOXYDANTS DANS DES REVELATEURS PHOTOGRAPHIQUES CHROMOGENES ET PROCEDES DE TRAITEMENT
Publication
Application
Priority
- US 9603016 W 19960306
- US 40158495 A 19950309
- US 61019896 A 19960229
Abstract (en)
[origin: WO9628761A1] Certain N-alkylhydroxylamine derivatives are useful as antioxidants in photographic color developer compositions. These compounds stabilize the developer compositions, are highly water soluble and are essentially odorless.
IPC 1-7
G03C 7/413; G03C 5/305; C07C 239/18; C07C 309/46; C07C 309/14; C07C 311/39; C07C 311/32
IPC 8 full level
C07C 239/18 (2006.01); C07C 309/13 (2006.01); C07C 309/14 (2006.01); C07C 309/46 (2006.01); C07C 311/32 (2006.01); C07C 311/37 (2006.01); C07F 9/38 (2006.01); G03C 7/407 (2006.01); G03C 7/413 (2006.01)
CPC (source: EP)
C07C 239/18 (2013.01); C07C 309/14 (2013.01); C07F 9/3808 (2013.01); G03C 7/413 (2013.01)
Citation (search report)
See references of WO 9628761A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 9628761 A1 19960919; EP 0759190 A1 19970226; JP H10501269 A 19980203
DOCDB simple family (application)
US 9603016 W 19960306; EP 96909583 A 19960306; JP 52769496 A 19960306