Global Patent Index - EP 0284000 A2

EP 0284000 A2 19880928 - Quaternary ammonium salt and electrophotographic toner.

Title (en)

Quaternary ammonium salt and electrophotographic toner.

Title (de)

Quaternäres Ammoniumsalz und elektrophotographischer Toner.

Title (fr)

Sel d'ammonium quaternaire et toner électrophotographique.

Publication

EP 0284000 A2 19880928 (EN)

Application

EP 88104495 A 19880321

Priority

JP 6876587 A 19870325

Abstract (en)

An electrophotographic toner containing a quaternary ammonium salt having the formula: <CHEM> wherein each of R1 and R2 is a long chain alkyl group having from 8 to 22 carbon atoms or a long chain alkenyl group having from 8 to 22 carbon atoms, R3 is an alkyl group having from 1 to 4 carbon atoms, R4 is an alkyl group having from 1 to 4 carbon atoms or a benzyl group and A<(-)> is an anion.

IPC 1-7

C07C 87/30; C07C 87/68; G03G 9/10

IPC 8 full level

C07C 67/00 (2006.01); C07C 209/00 (2006.01); C07C 211/63 (2006.01); G03G 9/097 (2006.01)

CPC (source: EP)

G03G 9/09741 (2013.01); G03G 9/09783 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0284000 A2 19880928; EP 0284000 A3 19900103; EP 0284000 B1 19920902; DE 3874176 D1 19921008; DE 3874176 T2 19930408; JP 2624755 B2 19970625; JP S6454 A 19890105; KR 880011075 A 19881026; KR 930006193 B1 19930708

DOCDB simple family (application)

EP 88104495 A 19880321; DE 3874176 T 19880321; JP 6806688 A 19880324; KR 880003188 A 19880324