EP 0382285 B1 19941026 - Particulate toner material.
Title (en)
Particulate toner material.
Title (de)
Partikeltonermaterial.
Title (fr)
Matériau de toner en particules.
Publication
Application
Priority
- EP 90200217 A 19900130
- EP 89200290 A 19890208
Abstract (en)
[origin: EP0382285A1] Particulate toner material for use in the development of latent electrostatic images, wherein said particulate toner material is capable of acquiring by triboelectric contact electrification a net positive charge and contains thermoplastic resin(s) as binder in combination with a colorant and a colourless compound capable of imparting a positive charge to the particulate toner material when in frictional contact with said carrier particles, characterized in that said colourless compound contains in its molecular structure at least one polyalkyl substituted piperidine group and a sterically hindered phenol group.
IPC 1-7
IPC 8 full level
G03G 9/097 (2006.01)
CPC (source: EP)
G03G 9/09758 (2013.01)
Citation (examination)
US 4268593 A 19810519 - LEPPARD DAVID G, et al
Designated contracting state (EPC)
BE DE FR GB
DOCDB simple family (publication)
DOCDB simple family (application)
EP 90200217 A 19900130