EP 0542677 B1 19960313 - Storage-stable formulation of mixtures of optical brighteners
Title (en)
Storage-stable formulation of mixtures of optical brighteners
Title (de)
Lagerstabile Formulierung von optischen Aufhellermischungen
Title (fr)
Formulation stable au stockage de mélanges d'azurants optiques
Publication
Application
Priority
CH 324591 A 19911107
Abstract (en)
[origin: EP0542677A1] Storage-stable formulations of mixtures of optical brighteners containing at least two anionic optical brighteners, which preferably contain at least one sulphonic acid radical; an anionic polysaccharide; dispersants and water and optionally also auxiliaries. These formulations are particularly suitable for the production of liquid detergents.
IPC 1-7
IPC 8 full level
C07D 251/54 (2006.01); C07C 309/32 (2006.01); C07C 309/39 (2006.01); C09B 67/46 (2006.01); C11D 3/42 (2006.01); D06L 3/12 (2006.01); D06L 4/621 (2017.01); D06L 4/664 (2017.01)
CPC (source: EP KR US)
C11D 3/395 (2013.01 - KR); C11D 3/42 (2013.01 - EP US); D06L 4/621 (2016.12 - EP US); D06L 4/664 (2016.12 - EP US)
Citation (examination)
EP 0033913 A2 19810819 - HOECHST AG [DE]
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0542677 A1 19930519; EP 0542677 B1 19960313; AT E135423 T1 19960315; AU 2820792 A 19930513; AU 653271 B2 19940922; BR 9204316 A 19930511; CA 2082202 A1 19930508; CA 2082202 C 20030729; CH 682748 A5 19931115; DE 59205674 D1 19960418; DK 0542677 T3 19960401; ES 2084977 T3 19960516; GR 3019312 T3 19960630; JP 3286358 B2 20020527; JP H05239768 A 19930917; KR 100249743 B1 20000315; KR 930010170 A 19930622; MX 9206384 A 19930501; MY 110095 A 19980127; NZ 245027 A 19941026; TW 234145 B 19941111; US 5518657 A 19960521
DOCDB simple family (application)
EP 92810830 A 19921028; AT 92810830 T 19921028; AU 2820792 A 19921106; BR 9204316 A 19921106; CA 2082202 A 19921105; CH 324591 A 19911107; DE 59205674 T 19921028; DK 92810830 T 19921028; ES 92810830 T 19921028; GR 960400490 T 19960314; JP 29625592 A 19921106; KR 920020647 A 19921105; MX 9206384 A 19921106; MY PI19921930 A 19921024; NZ 24502792 A 19921105; TW 81108740 A 19921103; US 27870894 A 19940722