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EP 0246622 A3 19900321 - MAGNETIC TONER

Title (en)

MAGNETIC TONER

Publication

EP 0246622 A3 19900321 (EN)

Application

EP 87107293 A 19870519

Priority

EP 87107293 A 19870519
JP 11796686 A 19860522

Abstract (en)

[origin: EP0246622A2] An insulative magnetic toner disclosed herein comprises a magnetic powder, a negative charge control agent, a binder resin and a compound having phenazine ring amorphous-silicon photoreceptor. The magnetic toner according to the invention is effective for preventing the occurrence of picture image blurring under high humidity when used in an amorphous-silicon photoreceptor.

IPC 1-7

G03G 9/08; G03G 9/14

IPC 8 full level

G03G 9/09 (2006.01); G03G 9/097 (2006.01)

CPC (source: EP)

G03G 9/0914 (2013.01); G03G 9/09758 (2013.01)

Citation (search report)

[X] DE 3527480 A1 19860206 - RICOH KK [JP]
[Y] DE 3200376 A1 19821104 - CANON KK [JP]
[Y] EP 0005952 A1 19791212 - XEROX CORP [US]
[Y] EP 0141377 A2 19850515 - HODOGAYA CHEMICAL CO LTD [JP]

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0246622 A2 19871125; EP 0246622 A3 19900321

DOCDB simple family (application)

EP 87107293 A 19870519