Global Patent Index - EP 1113070 A3

EP 1113070 A3 20020102 - Automatic dishwashing compositions comprising MGDA having low alkalinity

Title (en)

Automatic dishwashing compositions comprising MGDA having low alkalinity

Title (de)

MGDA-haltige Maschinengeschirrspülmittel niederer Alkalität

Title (fr)

Composition de lavage automatique de la vaisselle à basse alkalinité contenant du MGDA

Publication

EP 1113070 A3 20020102 (DE)

Application

EP 01105118 A 19970620

Priority

  • DE 19624839 A 19960621
  • EP 97928266 A 19970620

Abstract (en)

[origin: WO9749792A1] The invention provides a dishwasher rinsing agent which contains methyl glycine diacetic acid or its salts as the complexing agent, characaterized in that it does not exceed a pH of 10.4 in 0.5 % aqueous solution. The dishwasher rinsing agent of the invention operates at low pH and can even removal obstinate food remnants which cannot usually be removed with a dishwasher rinsing agent operating at such a pH. The novel rinsing agent has an excellent cleaning action especially on crockery contaminated with both milk and tea residues.

IPC 1-7

C11D 7/32; C11D 7/54; C11D 3/33; C11D 3/39

IPC 8 full level

C11D 3/33 (2006.01); C11D 3/39 (2006.01); C11D 7/32 (2006.01); C11D 7/54 (2006.01)

CPC (source: EP)

C11D 3/33 (2013.01); C11D 3/3947 (2013.01); C11D 7/3245 (2013.01); C11D 7/3281 (2013.01)

Citation (search report)

  • [DA] DE 4319935 A1 19941222 - BASF AG [DE]
  • [DA] DE 4036695 A1 19920521 - HENKEL KGAA [DE]
  • [A] DE 4319798 A1 19941222 - HENKEL KGAA [DE]
  • [A] US 5481018 A 19960102 - ATHEY PHILLIP S [US], et al
  • [E] WO 9736975 A1 19971009 - PROCTER & GAMBLE [US], et al
  • [DA] POTTHOFF-KARL B ET AL: "SYNTHESE ABBAUBARER KOMPLEXBILDNER UND IHRE ANWENDUNG IN WASCHMITTEL- UND REINIGERFORMULIERUNGEN", SOFW-JOURNAL SEIFEN, OELE, FETTE, WACHSE, vol. 122, no. 6, 1 May 1996 (1996-05-01), pages 392 - 394, 396/397, XP000587160
  • [A] DATABASE WPI Section Ch Week 9321, Derwent World Patents Index; Class D25, AN 93-172794, XP002046506

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9749792 A1 19971231; AT E205250 T1 20010915; AT E389709 T1 20080415; CA 2258218 A1 19971231; DE 59704543 D1 20011011; DE 59712930 D1 20080430; EP 0906407 A1 19990407; EP 0906407 B1 20010905; EP 1113070 A2 20010704; EP 1113070 A3 20020102; EP 1113070 B1 20080319; ES 2160355 T3 20011101; ES 2300287 T3 20080616

DOCDB simple family (application)

EP 9703256 W 19970620; AT 01105118 T 19970620; AT 97928266 T 19970620; CA 2258218 A 19970620; DE 59704543 T 19970620; DE 59712930 T 19970620; EP 01105118 A 19970620; EP 97928266 A 19970620; ES 01105118 T 19970620; ES 97928266 T 19970620