EP 0367265 A3 19911218 - ELECTROPHOTOGRAPHIC DRY DEVELOPER
Title (en)
ELECTROPHOTOGRAPHIC DRY DEVELOPER
Publication
Application
Priority
JP 27810588 A 19881102
Abstract (en)
[origin: EP0367265A2] An electrophotographic dry developer comprises a carrier and toner particles comprising a binder resin comprising (A) a polyester resin and (B) a styrene-acrylic resin obtained by co-polymerizing a monomer having an amino group, at a weight ratio of (A) to (B) ranging from 55:45 to 95:5, both resin (A) and resin (B) and a dyestuff or pigment of chromatic color. It is positively charageable and serves for color electrophotography.
IPC 1-7
IPC 8 full level
G03G 9/087 (2006.01); G03G 9/09 (2006.01); G03G 9/097 (2006.01); G03G 9/113 (2006.01)
CPC (source: EP)
G03G 9/087 (2013.01)
Citation (search report)
- [Y] EP 0122650 A1 19841024 - AGFA GEVAERT NV [BE]
- [Y] US 4560635 A 19851224 - HOFFEND THOMAS R [US], et al
- [Y] PATENT ABSTRACTS OF JAPAN vol. 9, no. 262 (P-398)(1985) 19 October 1985 & JP-A-60 112 050 ( KAO SEKKEN K.K. ) 18 June 1985
- [Y] PATENT ABSTRACTS OF JAPAN vol. 9, no. 20 (P-330)(1743) 26 January 1985 & JP-A-59 165 068 ( RICOH K.K. ) 18 September 1984
- [A] PATENT ABSTRACTS OF JAPAN vol. 9, no. 281 (P-403)(2004) 2 July 1985 & JP-A-60 123 851 ( HITACHI KINZOKU K.K. ) 2 July 1985
- [A] PATENT ABSTRACTS OF JAPAN vol. 10, no. 305 (P-507)(2361) 17 October 1986 & JP-A-61 120 156 ( KONISHIROKU PHOTO IND. ) 7 June 1986
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 0367265 A2 19900509; EP 0367265 A3 19911218; EP 0367265 B1 19960214; DE 68925670 D1 19960328; DE 68925670 T2 19960926; JP 2733073 B2 19980330; JP H02124582 A 19900511
DOCDB simple family (application)
EP 89120305 A 19891102; DE 68925670 T 19891102; JP 27810588 A 19881102