EP 0438833 B1 19960320 - Cleaning of equipement used in a liquid phase oxidation process
Title (en)
Cleaning of equipement used in a liquid phase oxidation process
Title (de)
Reinigung der in einem Flüssigphasen-Oxidationsverfahren verwendeten Ausrüstung
Title (fr)
Nettoyage de l'équipement utilisé dans un procédé d'oxydation en phase liquide
Publication
Application
Priority
GB 9000028 A 19900102
Abstract (en)
[origin: EP0438833A1] Composition for cleaning equipment used in a liquid phase oxidation process comprising an aqueous solution of between 3 and 30 %mass of a salt of sulphurous acid, between 0.5 and 30 %mass of a chelating agent and between 0.05 and 5 %mass of a cationic surfactant.
IPC 1-7
IPC 8 full level
C11D 10/02 (2006.01); C11D 1/62 (2006.01); C11D 3/02 (2006.01); C11D 3/33 (2006.01)
CPC (source: EP KR)
C11D 1/00 (2013.01 - KR); C11D 1/62 (2013.01 - EP); C11D 3/042 (2013.01 - EP); C11D 3/33 (2013.01 - EP)
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
EP 0438833 A1 19910731; EP 0438833 B1 19960320; AU 624756 B2 19920618; AU 6813390 A 19910704; CA 2031874 A1 19910703; CA 2031874 C 20001010; DE 69026063 D1 19960425; DE 69026063 T2 19960829; ES 2084653 T3 19960516; GB 9000028 D0 19900307; JP 2832493 B2 19981209; JP H04145199 A 19920519; KR 0184862 B1 19990415; KR 910014497 A 19910831
DOCDB simple family (application)
EP 90203478 A 19901220; AU 6813390 A 19901214; CA 2031874 A 19901210; DE 69026063 T 19901220; ES 90203478 T 19901220; GB 9000028 A 19900102; JP 41551590 A 19901228; KR 900023035 A 19901231