发明名称 |
PROCESS FOR COLOUR NEUTRALIZING COMPOSITIONS |
摘要 |
<p>The present application relates to a process of colour neutralizing treatment liquids, wherein the treatment liquid comprises a chromophore selected from the group consisting of monoazo, triarylmethane, xanthene, anthraquinone, hydrophobic dyes, and mixtures thereof, wherein the hydrophobic dyes are selected from the group consisting of benzodifuranes; methine; triphenylmethanes; naphthalimides; pyrazole; naphthoquinone; mono-azo, di-azo dyes and mixtures thereof, said process comprising the steps of : i. providing a mixing vessel with the treatment composition comprising the chromophore; ii. providing to the mixing vessel more than 0.045% of a reducing agent selected from the group consisting of sulfite, thiodiurea, formaldehyde bisulfite formaldehyde sulfoxilate and mixtures thereof; and iii. mixing until discolouration by color neutralization of the chromophore is achieved.</p> |
申请公布号 |
WO2011025623(A1) |
申请公布日期 |
2011.03.03 |
申请号 |
WO2010US43710 |
申请日期 |
2010.07.29 |
申请人 |
THE PROCTER & GAMBLE COMPANY;KHALAF, SUZANNE;PRYADILOVA, OLGA, VLADIMIROVNA;LABEQUE, REGINE |
发明人 |
KHALAF, SUZANNE;PRYADILOVA, OLGA, VLADIMIROVNA;LABEQUE, REGINE |
分类号 |
C11D3/40;C09B29/00;C09B29/08;C11D11/00;C11D17/04 |
主分类号 |
C11D3/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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