EP 3764980 A1 20210120 - METHOD FOR DYEING HAIR
Title (en)
METHOD FOR DYEING HAIR
Title (de)
VERFAHREN ZUM FÄRBEN VON HAAREN
Title (fr)
PROCÉDÉ DE COLORATION DES CHEVEUX
Publication
Application
Priority
- DE 102018203838 A 20180314
- EP 2019052975 W 20190207
Abstract (en)
[origin: WO2019174824A1] The invention relates to a method for dyeing human hair, according to which a pre-treatment product (A) containing at least one organic silicon compound of formula (I) and/or (II) and not containing any direct-dyeing dye or pigments, and a dye (B) containing at least one organic silicon compound of formula (I) and/or (II) and also containing at least one colouring compound from the group of direct-dyeing dyes and/or pigments, are applied to the hair, the organic silicon compounds of formulae (I) and (II) being defined as follows: R1R2N-L-Si(OR3)a(R4)b (l), (R5O)c(R6)dSi-(A)e-[NR7-(A')]f-[O-(A")]g-[NR8-(A"')]h-Si(R6')d'(OR5')c' (II).
IPC 8 full level
CPC (source: EP US)
A61K 8/25 (2013.01 - US); A61K 8/29 (2013.01 - US); A61K 8/585 (2013.01 - EP US); A61Q 5/065 (2013.01 - EP); A61Q 5/10 (2013.01 - US); A61K 2800/30 (2013.01 - US); A61K 2800/4324 (2013.01 - US); A61K 2800/88 (2013.01 - EP); A61K 2800/884 (2013.01 - US); A61K 2800/95 (2013.01 - EP)
Citation (search report)
See references of WO 2019174824A1
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 2019174824 A1 20190919; CN 111885995 A 20201103; DE 102018203838 A1 20190919; EP 3764980 A1 20210120; JP 2021517567 A 20210726; US 2020397684 A1 20201224
DOCDB simple family (application)
EP 2019052975 W 20190207; CN 201980017852 A 20190207; DE 102018203838 A 20180314; EP 19704586 A 20190207; JP 2020548624 A 20190207; US 201916977084 A 20190207