EP 0609443 B1 19990127 - COLORED TONER FOR DEVELOPING ELECTROSTATIC IMAGE
Title (en)
COLORED TONER FOR DEVELOPING ELECTROSTATIC IMAGE
Title (de)
FARBTONER FÜR DIE ENTWICKLUNG ELEKTROSTATISCHER BILDER
Title (fr)
TONER COLORE DE DEVELOPPEMENT D'IMAGE ELECTROSTATIQUE
Publication
Application
Priority
- JP 9201371 W 19921021
- JP 30121491 A 19911022
- JP 30823791 A 19911029
Abstract (en)
[origin: EP0609443A1] A colored toner for developing electrostatic images which has a degree of gelation of 2.0 % or less and comprises an association of secondary particles containing polymer particles having acidic or basic polar groups and an organic pigment and/or an organic dye treated with a treatment containing a surface treatment which has the same ionic character as that of the polymer particles in such a manner that the absolute value of zeta -potential will be 10 to 100 mV at a pH value of 5; and a developer for electrostatic images which comprises said toner and a carrier.
IPC 1-7
IPC 8 full level
G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 9/09 (2006.01)
CPC (source: EP)
G03G 9/0804 (2013.01); G03G 9/0821 (2013.01); G03G 9/0825 (2013.01); G03G 9/08791 (2013.01); G03G 9/0906 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0609443 A1 19940810; EP 0609443 A4 19950419; EP 0609443 B1 19990127; CA 2121893 A1 19930429; CA 2121893 C 20030121; DE 69228314 D1 19990311; DE 69228314 T2 19990610; WO 9308510 A1 19930429
DOCDB simple family (application)
EP 92921832 A 19921021; CA 2121893 A 19921021; DE 69228314 T 19921021; JP 9201371 W 19921021