Global Patent Index - EP 1716285 A1

EP 1716285 A1 20061102 - METHOD OF INCREASING DEPTH OF SHADE

Title (en)

METHOD OF INCREASING DEPTH OF SHADE

Title (de)

VERFAHREN ZUR ERHÖHUNG DER FARBTIEFE

Title (fr)

PROCEDE PERMETTANT D'AUGMENTER LA PROFONDEUR DE TEINTE

Publication

EP 1716285 A1 20061102 (EN)

Application

EP 05707974 A 20050209

Priority

  • EP 2005050552 W 20050209
  • EP 04100655 A 20040219
  • EP 05707974 A 20050209

Abstract (en)

[origin: WO2005080669A1] The present invention relates to a method of increasing the depth of shade of dyed natural or synthetic polyamide fibre materials, which comprises treating the fibre material - before, during or after dyeing - with an aqueous liquor comprising a polyamine, the polyamine being the product of reaction of a compound containing at least two primary amino groups with ethylene oxide, propylene oxide, 1,2-epoxybutane, a chloroalkylamine or an aromatic compound having at least one -COCI, -S03CI or -S02-Z substituent wherein Z is vinyl, 2-chloroethyl or 2-sulfatoethyl, or the product of reaction of a compound containing at least two primary amino groups with an unsaturated aliphatic cyano compound and subsequent hydrogenation.

IPC 8 full level

D06P 3/24 (2006.01); C08G 73/02 (2006.01); D06P 1/607 (2006.01); D06P 1/62 (2006.01); D06P 1/642 (2006.01); D06P 3/14 (2006.01); D06P 5/06 (2006.01)

CPC (source: EP)

C08G 73/0206 (2013.01); C08G 73/022 (2013.01); D06P 1/607 (2013.01); D06P 1/62 (2013.01); D06P 1/6422 (2013.01); D06P 3/14 (2013.01); D06P 3/24 (2013.01); D06P 5/06 (2013.01)

Citation (search report)

See references of WO 2005080669A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 2005080669 A1 20050901; BR PI0507904 A 20070710; CN 1918337 A 20070221; EP 1716285 A1 20061102

DOCDB simple family (application)

EP 2005050552 W 20050209; BR PI0507904 A 20050209; CN 200580005014 A 20050209; EP 05707974 A 20050209