Global Patent Index - EP 0282863 A3

EP 0282863 A3 19900613 - LIQUID ALKALINE CLEANING CONCENTRATES

Title (en)

LIQUID ALKALINE CLEANING CONCENTRATES

Publication

EP 0282863 A3 19900613 (DE)

Application

EP 88103507 A 19880307

Priority

DE 3708330 A 19870314

Abstract (en)

[origin: EP0282863A2] Liquid alkaline cleaner concentrates which have the following components: a) 80 to 99.7% by weight of an aqueous solution of a builder or builder mixture, containing 50 to 60% by weight of water and at least one alkali metal silicate and/or alkali metal phosphate, b) 0.3 to 22% by weight of a surfactant combination consisting of anionic surfactants, non-ionic surfactants and alkyl glucosides. Cleaner concentrates of this type are used in the cleaning of metal surfaces, in particular of steel, nonferrous metals, copper and zinc before refining processes and intermediate cleaning before working processes.

IPC 1-7

C11D 3/22; C11D 1/83; C11D 1/66; C11D 3/02; C11D 3/06; C11D 3/08; C23G 1/14

IPC 8 full level

C11D 1/66 (2006.01); C11D 1/83 (2006.01); C11D 3/02 (2006.01); C11D 3/06 (2006.01); C11D 3/08 (2006.01); C11D 3/22 (2006.01); C23G 1/14 (2006.01); C25F 1/00 (2006.01); C11D 1/04 (2006.01); C11D 1/44 (2006.01); C11D 1/72 (2006.01)

CPC (source: EP KR)

C11D 1/662 (2013.01 - EP); C11D 1/83 (2013.01 - EP); C11D 3/06 (2013.01 - EP); C11D 3/08 (2013.01 - EP); C11D 10/045 (2013.01 - EP); C11D 17/08 (2013.01 - KR); C23G 1/14 (2013.01 - EP); C11D 1/44 (2013.01 - EP); C11D 1/72 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AT BE DE ES FR GB GR IT NL SE

DOCDB simple family (publication)

EP 0282863 A2 19880921; EP 0282863 A3 19900613; BR 8801153 A 19881018; DE 3708330 A1 19880922; JP S63245496 A 19881012; KR 880011319 A 19881027

DOCDB simple family (application)

EP 88103507 A 19880307; BR 8801153 A 19880314; DE 3708330 A 19870314; JP 6015988 A 19880314; KR 880002690 A 19880314