EP 3631078 A1 20200408 - LOW TEMPERATURE COLOURING METHOD
Title (en)
LOW TEMPERATURE COLOURING METHOD
Title (de)
NIEDERTEMPERATURFÄRBEVERFAHREN
Title (fr)
PROCÉDÉ DE COLORATION À BASSE TEMPÉRATURE
Publication
Application
Priority
- GB 201708816 A 20170602
- GB 201806803 A 20180426
- GB 2018051480 W 20180531
Abstract (en)
[origin: WO2018220375A1] The present invention relates to a method of colouring polymer substrates at low temperatures. The method comprises subjecting the polymer substrate that is to be coloured to a colouring liquor comprising a solvent in which the colourant has a high solubility and then adding a solvent in which the colourant has a low solubility, typically water.
IPC 8 full level
CPC (source: EP US)
D06P 1/0032 (2013.01 - EP US); D06P 1/928 (2013.01 - EP US); D06P 3/045 (2013.01 - US); D06P 3/143 (2013.01 - US); D06P 3/54 (2013.01 - US); D06P 3/60 (2013.01 - US); D06P 3/8238 (2013.01 - US); D06P 3/54 (2013.01 - EP); D06P 3/8233 (2013.01 - EP); D06P 3/8238 (2013.01 - EP); D06P 2001/906 (2013.01 - EP US)
Citation (search report)
See references of WO 2018220375A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2018220375 A1 20181206; BR 112019025309 A2 20200623; CN 110709556 A 20200117; EP 3631078 A1 20200408; MA 48954 A 20200408; US 2020157737 A1 20200521
DOCDB simple family (application)
GB 2018051480 W 20180531; BR 112019025309 A 20180531; CN 201880037229 A 20180531; EP 18730061 A 20180531; MA 48954 A 20180531; US 201816618588 A 20180531