Stephen Norman BATCHELOR,Adam John LIMER,Xuezhi TANG
申请号:
US14760596
公开号:
US20150352030A1
申请日:
2014.01.03
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A hair colouring composition comprising analkylated polyethyleneimine dye, wherein the alkylated polyethyleneimine dye comprises a polyethyleneimine having covalently bound to the nitrogen groups of the polyethyleneimine: (i) a negatively charged reactive dye and; (ii) a linear carbon chain comprising at least 7 carbon atoms.