EP 0564719 A1 19931013 - Process for manufacture of a high active detergent composition containing succinic acid.
Title (en)
Process for manufacture of a high active detergent composition containing succinic acid.
Title (de)
Verfahren zur Herstellung einer hochaktiven Detergenszusammensetzung, Bernsteinsäure enthaltend.
Title (fr)
Procédé de préparation d'une composition détergente à haute activité contenant de l'acide succinique.
Publication
Application
Priority
EP 92201034 A 19920410
Abstract (en)
A process for making a concentrated liquid detergent composition comprising the steps of : i) mixing succinic anhydride, water and an alkaline catalyst, wherein the ratio of succinic anhydride to water is at least 4:1, ii) allowing an exothermic hydrolysis reaction to take place in a buffer tank ,and iii) mixing the resulting highly active, partly neutralised succinic acid with other detergent ingredients l
IPC 1-7
IPC 8 full level
C11D 1/08 (2006.01); C11D 11/04 (2006.01)
CPC (source: EP)
C11D 1/08 (2013.01); C11D 11/04 (2013.01)
Citation (search report)
- [Y] SU 130040 A1 19591130 - LEVI S V, et al
- [YD] EP 0028850 A1 19810520 - UNILEVER NV [NL]
- [AD] GB 2049723 A 19801231 - KAO CORP
- [A] PATENT ABSTRACTS OF JAPAN vol. 10, no. 4 (C-322)(2061) 9 January 1986 & JP-A-60 163 838 ( KAO SEKKEN KK ) 26 August 1985
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0564719 A1 19931013; EP 0564719 B1 19961030; CA 2117746 A1 19931028; CA 2117746 C 19990427; CN 1078998 A 19931201; DE 69214932 D1 19961205; DE 69214932 T2 19970515; ES 2093766 T3 19970101; IE 930279 A1 19931020; JP H07505668 A 19950622; MX 9302049 A 19940729; WO 9321290 A1 19931028
DOCDB simple family (application)
EP 92201034 A 19920410; CA 2117746 A 19930329; CN 93104023 A 19930410; DE 69214932 T 19920410; ES 92201034 T 19920410; IE 930279 A 19930408; JP 51837193 A 19930329; MX 9302049 A 19930407; US 9302943 W 19930329