Title:
色中和組成物のための方法
Document Type and Number:
Japanese Patent JP2013502314
Kind Code:
A
Abstract:
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.
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Inventors:
Suzanne, carafe
Olga, Vladimirovna, Praia di Lova
Regine, Rabek
Olga, Vladimirovna, Praia di Lova
Regine, Rabek
Application Number:
JP2012525589A
Publication Date:
January 24, 2013
Filing Date:
July 29, 2010
Export Citation:
Assignee:
THE PROCTER & GAMBLE COMPANY
International Classes:
C02F1/70
Domestic Patent References:
| JPS5176853A | 1976-07-03 | |||
| JPS5428452A | 1979-03-03 | |||
| JPS50147156A | 1975-11-26 | |||
| JPS5265525A | 1977-05-31 | |||
| JPS537553B1 | 1978-03-18 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Yukitaka Nakamura
Noritaka Yokota
Takeyasu Ito
Kazuma Kojima
Yukitaka Nakamura
Noritaka Yokota
Takeyasu Ito
Kazuma Kojima