Global Patent Index - EP 1633843 A1

EP 1633843 A1 20060315 - LAUNDRY TREATMENT COMPOSITIONS

Title (en)

LAUNDRY TREATMENT COMPOSITIONS

Title (de)

WÄSCHEBEHANDLUNGSMITTEL

Title (fr)

COMPOSITIONS DE TRAITEMENT POUR BLANCHISSERIE

Publication

EP 1633843 A1 20060315 (EN)

Application

EP 04739632 A 20040604

Priority

  • EP 2004006087 W 20040604
  • GB 0314210 A 20030618
  • GB 0314211 A 20030618
  • GB 0325619 A 20031103

Abstract (en)

[origin: WO2005003275A1] A laundry treatment composition which comprises a surfactant and from 0.0001 to 0.02 wt% of a photostable acid dye which has a substantivity to non-mercerised cotton in a standard test of at least 8% but has a substantitivity to nylon of less than 5%, wherein the standard test involves a solution of dye being prepared such that the solution has (i) an optical density of 1 (5 cm pathlength) at the maximum absorption of the dye in the visible wavelengths, (ii) a sodium lauryl alkyl benzene sulphonate surfactant concentration of 0.3 g/l, (iii) inorganic non-surfactant salt concentration of 1.1 g/l, (iv) under wash conditions of a liquor to cloth ratio of 45:1, temperature of 20°C, soak times of 45 minutes, and an agitation time of 10 minutes.

IPC 1-7

C11D 3/40; C11D 3/00

IPC 8 full level

C11D 3/00 (2006.01); C11D 3/39 (2006.01); C11D 3/40 (2006.01)

CPC (source: EP)

C11D 3/001 (2013.01); C11D 3/40 (2013.01)

Citation (search report)

See references of WO 2005003275A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005003275 A1 20050113; BR PI0411568 A 20060801; CA 2529726 A1 20050113; EP 1633843 A1 20060315

DOCDB simple family (application)

EP 2004006087 W 20040604; BR PI0411568 A 20040604; CA 2529726 A 20040604; EP 04739632 A 20040604