A method of treating a material, the method comprising the steps of: (i) contacting the material with a colouring composition comprising a dye compound; and (ii) contacting the material with a composition comprising a quaternary ammonium salt.
申请公布号
US2015047131(A1)
申请公布日期
2015.02.19
申请号
US201314389925
申请日期
2013.03.22
申请人
PERACHEM LIMITED
发明人
Hawkes Jamie Anthony;Lewis David Malcolm;Mama John