EP 0462174 B1 19940928 - LIQUID DEVELOPER SYSTEMS WITH SELF-REPLENISHMENT OF BULK CONDUCTIVITY.
Title (en)
LIQUID DEVELOPER SYSTEMS WITH SELF-REPLENISHMENT OF BULK CONDUCTIVITY.
Title (de)
FLÜSSIGE ENTWICKLUNGSSYSTEME MIT SELBST-BEIBEHALTENDER SCHÜTT-LEITFÄHIGKEIT.
Title (fr)
SYSTEME DE REVELATEUR LIQUIDE A AUTO-REMPLISSAGE DE CONDUCTIVITE VOLUMIQUE.
Publication
Application
Priority
- NL 9000025 W 19900305
- US 31912689 A 19890306
Abstract (en)
[origin: WO9010894A1] A self-replenishing liquid developer system for an electrostatic imaging system including an insulating non-polar carrier liquid, toner particles dispersed in the carrier liquid, at least one charge director compound having a limited solubility in the carrier liquid and dissolved therein at its saturation concentration and excess of the at least one charge director compound comprised in a solid phase and being in equilibrium contact with the carrier liquid.
IPC 1-7
IPC 8 full level
G03G 9/135 (2006.01); G03G 13/10 (2006.01)
CPC (source: EP)
G03G 9/1355 (2013.01); G03G 13/10 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 9010894 A1 19900920; CA 2047675 A1 19900907; CA 2047675 C 19980811; DE 69012987 D1 19941103; DE 69012987 T2 19950504; EP 0462174 A1 19911227; EP 0462174 B1 19940928; HK 137695 A 19950908
DOCDB simple family (application)
NL 9000025 W 19900305; CA 2047675 A 19900305; DE 69012987 T 19900305; EP 90904452 A 19900305; HK 137695 A 19950831