EP 0806473 A3 19981223 - Bleach activating cyanopyridinium compounds
Title (en)
Bleach activating cyanopyridinium compounds
Title (de)
Cyanopyridinium-Verbindungen als Bleichaktivatoren
Title (fr)
Composés de cyanopyridinium comme activateurs de blanchiment
Publication
Application
Priority
DE 19618408 A 19960508
Abstract (en)
[origin: EP0806473A2] Use of 2- or 4-cyano-pyridinium salts of formula (I) as bleach activators is new. R1 = H, 1-24C alkyl, 2-24C alkenyl, aryl, cyanomethyl or 1-4C-alkoxy-(1-4C)-alkyl; R2-R4 = H, 1-24C alkyl, 2-24C alkenyl, aryl, 1-4C-alkoxy-(1-4C)-alkyl or CN; X = anion; and Y, Z = as for R2-R4; provided that one of Y and Z is CN. Also claimed are washing or cleaning agents containing (a) 2-40 wt.% peroxy compound and (b) 0.1-20 wt.% (I) in a molar ratio of 1500-1:1-2.
IPC 1-7
IPC 8 full level
C07D 213/84 (2006.01); C07D 213/85 (2006.01); C11D 3/386 (2006.01); C11D 3/39 (2006.01); C11D 3/395 (2006.01)
CPC (source: EP)
C11D 3/392 (2013.01)
Citation (search report)
- [DXA] EP 0303520 A2 19890215 - KAO CORP [JP]
- [XA] US 4756845 A 19880712 - SUGAWARA HIROSHI [JP], et al
- [T] WO 9742295 A1 19971113 - JOHNSON & SON INC S C [US]
- [T] EP 0790244 A1 19970820 - HOECHST AG [DE]
- [A] DATABASE WPI Section Ch Week 8842, Derwent World Patents Index; Class E13, AN 88-297947, XP002082707
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL
DOCDB simple family (publication)
EP 0806473 A2 19971112; EP 0806473 A3 19981223; DE 19618408 A1 19971113; JP H1046194 A 19980217
DOCDB simple family (application)
EP 97107051 A 19970429; DE 19618408 A 19960508; JP 11715297 A 19970507