EP 0712049 A1 19960515 - Calixarenes as charge control agents and toner
Title (en)
Calixarenes as charge control agents and toner
Title (de)
Calixarene als Ladungsstabilisatoren und Toner
Title (fr)
Calixarènes comme agent de contrÔle de charge et toner
Publication
Application
Priority
JP 30286194 A 19941111
Abstract (en)
Charge control agent and toner for developing electrostatic images comprising the agent whose active ingredient is calix(n)arene compound of formula ÄIÜ: <CHEM> x+y=n, x, y: integer of 1 or more; n: integer of 4 to 8; x repeat units and y repeat units can be arranged in any order; R<1>, R<2> is H, C1-12 alkyl, C7-12 aralkyl, phenyl, C4-8 cycloalkyl, halogen, nitro, amino, alkyl - or phenyl - substituted amino, - Si(CH3)3 or - SO3H; of the n R radicals in the n - OR groups, 1 to (n - 1) are H, the remaining (n - 1) to 1 being alkyl, phenyl, aralkyl, cycloalkyl, - COR<3> ÄR<3>: H, alkyl , phenyl, aralkyl, or cycloalkylÜ, - Si(CH3)3, - (CH2)mCOOR<4> ÄR<4>: H or lower alkyl; m: integer of 1 to 3Ü, - (CH2CH2O)rH Är: integer of 1 to 10Ü, or <CHEM> Äq: integer of 1 to 10Ün
IPC 1-7
IPC 8 full level
G03G 9/09 (2006.01); G03G 9/097 (2006.01)
CPC (source: EP)
G03G 9/09733 (2013.01); G03G 9/09775 (2013.01)
Citation (search report)
- [X] US 5350657 A 19940927 - ANNO MASAHIRO [JP], et al
- [X] EP 0385580 A1 19900905 - ORIENT CHEMICAL IND [JP]
- [PX] EP 0649065 A1 19950419 - MINOLTA CO LTD [JP]
- [X] CHEMICAL ABSTRACTS, vol. 121, no. 16, 17 October 1994, Columbus, Ohio, US; abstract no. 191222y, page 878; column 1; & JP H05341577 A 19931224 - RICOH KK
- [PX] DATABASE WPI Week 9519, Derwent World Patents Index; AN 95-141946
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 0712049 A1 19960515; EP 0712049 B1 20010711; DE 69521662 D1 20010816; DE 69521662 T2 20020711; JP 3325730 B2 20020917; JP H08137138 A 19960531
DOCDB simple family (application)
EP 95117332 A 19951103; DE 69521662 T 19951103; JP 30286194 A 19941111