Global Patent Index - EP 0872543 A3

EP 0872543 A3 19990825 - Corrosion-inhibiting cleaning composition

Title (en)

Corrosion-inhibiting cleaning composition

Title (de)

Spülmittel mit Korrosionsschutzwirkung

Title (fr)

Composition nettoyant inhibitant la corrosion

Publication

EP 0872543 A3 19990825 (DE)

Application

EP 98106424 A 19980408

Priority

DE 19716094 A 19970417

Abstract (en)

[origin: EP0872543A2] In a detergent containing builder, bleach, bleach activator and a corrosion inhibitor for metals, the inhibitor comprises either (A) metal triazole complex (I), obtained by reacting a triazole of formula (II) or a triazole (IIIA) or bis-triazole (IIIB) of formula (III) with (b) salt(s) of manganese (Mn), cobalt (Co), zinc (Zn), iron (Fe), molybdenum (Mo), tungsten (W) and/or copper (Cu) and/or (B) (IIB) of formula (II) or a mixture of 2 or more components (A) and/or (B); in which R<1> = 1-4 substituents selected from hydrogen (H) and linear and branched 1-10C alkyl groups; in (IIIA), R<2>, R<3> = H, 1-20C alkyl or 2-20C alkenyl; or one of R<2>, R<3> = NHR<4>; R<4> = H or 1-10C alkyl; in (IIIB), 2 R<2> and R<3> groups of 2 different molecules = 1-10C alkylene and the other R<2>, R<3> groups = as in (IIIA).

IPC 1-7

C11D 3/28; C11D 3/39; C11D 3/20

IPC 8 full level

C11D 3/00 (2006.01); C11D 3/16 (2006.01); C11D 3/28 (2006.01); C11D 3/39 (2006.01)

CPC (source: EP)

C11D 3/0073 (2013.01); C11D 3/168 (2013.01); C11D 3/28 (2013.01); C11D 3/3917 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0872543 A2 19981021; EP 0872543 A3 19990825; DE 19716094 A1 19981022

DOCDB simple family (application)

EP 98106424 A 19980408; DE 19716094 A 19970417