Global Patent Index - EP 1153160 A1

EP 1153160 A1 20011114 - CLEANER COMPOSITION AND METHOD OF USE THEREOF

Title (en)

CLEANER COMPOSITION AND METHOD OF USE THEREOF

Title (de)

REINIGUNGSZUSAMMENSETZUNG UND -VERFAHREN

Title (fr)

COMPOSITION DE NETTOYAGE ET PROCEDE D'UTILISATION D'UNE TELLE COMPOSITION

Publication

EP 1153160 A1 20011114 (EN)

Application

EP 00908240 A 20000202

Priority

  • US 0000513 W 20000202
  • US 24544099 A 19990205
  • US 40717399 A 19990928

Abstract (en)

[origin: WO0046423A1] Methods and compositions for removing iron oxide scale from metal surfaces. A combination of ethoxylated mercaptan and/or oxidized ethoxylated mercaptan and 1-hydroxyethylidene-1,1-diphosphonic acid is added to an aqueous system, such as a steam generating system, to remove scale from the metal surfaces.

IPC 1-7

C23G 1/24; C23G 1/19; G21F 9/00

IPC 8 full level

C11D 7/34 (2006.01); C11D 7/36 (2006.01); C11D 17/08 (2006.01); C23F 11/12 (2006.01); C23F 11/16 (2006.01); C23F 14/02 (2006.01); C23G 1/19 (2006.01); C23G 1/24 (2006.01); G21F 9/00 (2006.01)

CPC (source: EP KR)

C23G 1/19 (2013.01 - EP); C23G 1/24 (2013.01 - EP KR); G21F 9/004 (2013.01 - EP)

Citation (search report)

See references of WO 0046423A1

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)

WO 0046423 A1 20000810; AU 2962400 A 20000825; CA 2361606 A1 20000810; EP 1153160 A1 20011114; JP 2002536545 A 20021029; KR 20010094757 A 20011101

DOCDB simple family (application)

US 0000513 W 20000202; AU 2962400 A 20000202; CA 2361606 A 20000202; EP 00908240 A 20000202; JP 2000597480 A 20000202; KR 20017009879 A 20010804