EP 0047170 A1 19820310 - Method of recovering a photographic addendum from a dispersion thereof.
Title (en)
Method of recovering a photographic addendum from a dispersion thereof.
Title (de)
Verfahren zum Rückgewinnen eines photographischen Additivs aus einer Dispersion.
Title (fr)
Procédé pour la récupération d'un additif photographique à partir d'une dispersion.
Publication
Application
Priority
GB 8028150 A 19800901
Abstract (en)
A water-insoluble organic photographic addendum is recovered from a dispersion of a mixture thereof and an oil-former in an aqueous medium containing a hydrophilic colloid and a surface active agent by adding a selected oleophilic non-ionic surface active agent.
IPC 1-7
IPC 8 full level
B01D 17/04 (2006.01); G03C 7/32 (2006.01); G03C 11/24 (2006.01)
CPC (source: EP US)
G03C 7/32 (2013.01 - EP US); G03C 11/24 (2013.01 - EP US)
Citation (search report)
- DE 2706550 A1 19770825 - BETZ INT
- GB 2003856 A 19790321 - FUJI PHOTO FILM CO LTD
- GB 1274048 A 19720510 - BAYER AG [DE]
Designated contracting state (EPC)
BE
DOCDB simple family (publication)
EP 0047170 A1 19820310; DE 3171315 D1 19850814; EP 0058694 A1 19820901; EP 0058694 B1 19850710; JP S57501347 A 19820729; US T102402 I4 19821102; WO 8200901 A1 19820318
DOCDB simple family (application)
EP 81303984 A 19810901; DE 3171315 T 19810901; EP 81902384 A 19810901; GB 8100174 W 19810901; JP 50282081 A 19810901; US 37319382 A 19820429