EP 0086444 A1 19830824 - Magnetic carrier powder for two-component toner.
Title (en)
Magnetic carrier powder for two-component toner.
Title (de)
Magnetisches Pulver für Zweikomponenten-Toner.
Title (fr)
Poudre magnétique pour toner à deux composants.
Publication
Application
Priority
JP 2192382 A 19820213
Abstract (en)
A magnetic carrier powder composed of ferrite powder particles having a spinel structure and an average particle size of less than 30 mu m.
IPC 1-7
IPC 8 full level
G03G 9/10 (2006.01); C04B 35/26 (2006.01); G03G 9/107 (2006.01); H01F 1/11 (2006.01); H01F 1/36 (2006.01)
CPC (source: EP US)
G03G 9/1075 (2013.01 - EP US); G03G 9/1085 (2020.08 - EP US); H01F 1/36 (2013.01 - EP)
Citation (search report)
- DE 2261183 A1 19730620 - THOMSON CSF
- US 3929657 A 19751230 - JONES LEWIS O
- US 4042518 A 19770816 - JONES LEWIS O
- EP 0010732 A1 19800514 - TDK CORP [JP], et al
- GB 751623 A 19560704 - STEATITE RES CORP, et al
- DE 3132494 A1 19820506 - CII HONEYWELL BULL [FR]
- DE 2359424 A1 19740606 - MONTEDISON SPA
- DE 1449403 B2 19760729
- US 3509058 A 19700428 - ESTIVAL GEORGES, et al
- US 3839029 A 19741001 - LIPANI A, et al
- US 3914181 A 19751021 - BERG ALLEN CLARK, et al
Designated contracting state (EPC)
AT BE DE GB IT NL
DOCDB simple family (publication)
EP 0086444 A1 19830824; EP 0086444 B1 19870520; AT E27380 T1 19870615; AU 1136083 A 19830818; AU 557231 B2 19861211; DE 3371725 D1 19870625; DK 161047 B 19910521; DK 161047 C 19911028; DK 60983 A 19830814; DK 60983 D0 19830211; JP S58144839 A 19830829
DOCDB simple family (application)
EP 83101193 A 19830208; AT 83101193 T 19830208; AU 1136083 A 19830211; DE 3371725 T 19830208; DK 60983 A 19830211; JP 2192382 A 19820213