EP 0407752 B1 19940720 - Granulated colour photographic bleaching agent and its preparation.
Title (en)
Granulated colour photographic bleaching agent and its preparation.
Title (de)
Granuliertes, farbfotografisches Bleichmittel und seine Herstellung.
Title (fr)
Agent de blanchiment granulé pour la photographie en couleur et sa préparation.
Publication
Application
Priority
DE 3920921 A 19890627
Abstract (en)
[origin: JPH0339739A] PURPOSE: To obtain a solid state modified material capable of being easily applied and rapidly dissolved by incorporating an iron (III) complex or a salt of the iron (III) complex and a rehalogenating agent in a granulated form having 150-3000μm average particle diameter. CONSTITUTION: The color photographic bleaching agent contains an iron (III) complex or the salt of the iron (III) complex and a rehalogenating agent in the granulated form having 150-3000μm average particle diameter and is capable of freely being applied without dust, keeping the shape for a long period and being dissolved in water within 45sec at 25 deg.C to form a directly used solution. As a result, the solid state modified material of the color photographic bleaching agent, which is easily applied and rapidly dissolved, is obtained.
IPC 1-7
IPC 8 full level
G03C 5/26 (2006.01); G03C 5/44 (2006.01); G03C 7/42 (2006.01)
CPC (source: EP US)
G03C 5/265 (2013.01 - EP US); G03C 7/42 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE FR GB IT
DOCDB simple family (publication)
EP 0407752 A1 19910116; EP 0407752 B1 19940720; DE 3920921 A1 19910103; DE 59006483 D1 19940825; JP H0339739 A 19910220; US 5053321 A 19911001
DOCDB simple family (application)
EP 90111255 A 19900614; DE 3920921 A 19890627; DE 59006483 T 19900614; JP 16582190 A 19900626; US 53743790 A 19900613