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公开(公告)号：JP2004107223A
公开(公告)日：2004-04-08
申请号：JP2002269182
申请日：2002-09-13
Applicant: Fuji Photo Film Co Ltd , Kao Corp , 富士写真フイルム株式会社 , 花王株式会社
Inventor： PRATT DOMINIC , KAWAGISHI TOSHIO
Abstract: PROBLEM TO BE SOLVED: To obtain a two-agent hair-dyeing agent composition which is based on a direct dye, exhibits excellent dyeing properties, brightly colors hair without fading for a long time, and also has a hair-decoloring power, and to provide a method for dyeing hair using the same.
SOLUTION: This two-agent hair-dyeing agent composition comprises a first agent comprising the dissociable direct dye represented by formula (1) or a salt thereof and an alkali agent and a second agent comprising an oxidant. The first agent and the second agent are mixed before being applied to the hair. In formula (1), R
1 and R
2 are each hydrogen atom, a 1-5C alkyl group, an acylamino group, an alkylsulfonylamino group or an electron attracting group; and B is a heterocyclic group having a pyrazolotriazole structure, an imidazoloazole structure, a pyrroloazole structure, or the like.
COPYRIGHT: (C)2004,JPO-
Patent Agency Ranking
公开(公告)号：JP2003342139A
公开(公告)日：2003-12-03
申请号：JP2003150761
申请日：2003-05-28
Applicant: Fuji Photo Film Co Ltd , Kao Corp , 富士写真フイルム株式会社 , 花王株式会社
Inventor： KAWAGISHI TOSHIO , PRATT DOMINIC
CPC classification number: A61Q5/065 , A61K8/466 , A61K8/49 , A61K8/4913 , A61K8/492 , A61K8/4926 , A61K8/494 , A61K8/4953
Abstract: PROBLEM TO BE SOLVED: To provide a hair dye composition imparting fast clear color to the hair without causing dye decomposition, highly resistant to light, washing, sweat, friction and heat, stable to alkalinizing agent and oxidizing agent, having high dyeing power, and slight in color fading with the lapse of time, and to provide a method for dyeing the hair using the composition. SOLUTION: The hair dye composition comprises an azo dye of the general formula: A-N=N-B [A is a (substituted) heterocyclic group containing neither carboxy group, sulfo group nor quaternary ammonium group and binding via a carbon atom to the azo group; and B is a (substituted) heterocyclic group, aromatic group or alkyl, containing a dissociable proton but containing neither carboxy group, sulfo group nor quaternary ammonium group]. The method for dyeing the hair comprises applying the azo dye to the hair, washing the hair thus dyed, and drying the hair thus washed. COPYRIGHT: (C)2004,JPO
Abstract translation: 待解决的问题：为了提供赋予毛发快速清晰的染发剂组合物，不引起染料分解，耐光，耐洗，汗，摩擦和热，对碱性剂和氧化剂稳定，具有高染色性 功率和随着时间的推移轻微的褪色，并且提供使用该组合物染色头发的方法。 毛发染料组合物包含以下通式的偶氮染料：AN = NB [A是不含羧基，磺基和季铵基并且通过碳原子与偶氮键合的（取代的）杂环基 组; 并且B是含有可离解质子但不含羧基，磺基和季铵基团的（取代的）杂环基，芳族基团或烷基。 头发染色方法包括将偶氮染料施用于毛发，洗涤如此染色的毛发，并干燥洗涤的毛发。 版权所有（C）2004，JPO
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公开(公告)号：JP2003221318A
公开(公告)日：2003-08-05
申请号：JP2002018330
申请日：2002-01-28
Applicant: KAO CORP
Inventor： MOEHRING HARTMUT , PRATT DOMINIC
Abstract: PROBLEM TO BE SOLVED: To enable permanent dyeing of hair without damaging the hair, even upon repetitive application. SOLUTION: A process for dyeing human hair comprises steps (A)-(F) wherein(A) a composition containing a reactive dye with a pH of 2-5 is applied to human hair and (B) left for about 5-45 min, (C) the hair is rinsed and dried if required, (D) a composition containing an oxidation dye precursor and a peroxide and having a pH of 7.5-12 is applied and (E) left for 1-20 min, and (F) the dyed hair is rinsed or shampooed and dried. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2003113055A
公开(公告)日：2003-04-18
申请号：JP2002072373
申请日：2002-03-15
Applicant: KAO CORP , FUJI PHOTO FILM CO LTD
Inventor： PRATT DOMINIC , KAWAGISHI TOSHIO
Abstract: PROBLEM TO BE SOLVED: To provide a hair-dyeing agent composition, having astonishingly good hair-coloring property and compatibility to hydrogen peroxide, by which bright color which is stable to hair washing and environmental influence and is retained for a long period can be realized. SOLUTION: This hair-dyeing agent composition comprises a condensed heterocyclic direct dye represented by the general formula (1) [B represents a heterocyclic group having a structure such as a pyrazolotriazole structure, a imidazoloazole structure or a pyrroloazole structure; R and R are each hydrogen atom, a 1-5C alkyl group, an acylamino group, an alkylsulfonylamino group or an electron-attracting group] or its salt.
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公开(公告)号：JP2002338444A
公开(公告)日：2002-11-27
申请号：JP2002081005
申请日：2002-03-22
Applicant: KAO CORP
Inventor： PRATT DOMINIC , NOECKER BERND , HARUTOMUTSUTO MEERINGU
Abstract: PROBLEM TO BE SOLVED: To provide a method for dyeing human hair, by which the hair can permanently be dyed without being damaged, even when the method is repeatedly applied. SOLUTION: This method for dyeing the human hair is characterized by comprising the following processes (A) to (F): (A) applying a 2 to 5 pH composition containing a reactive dye to the human hair, (B) leaving the hair for about 5 to 45 min, (C), if necessary, rinsing and then drying the hair, (D) applying an alkaline composition containing a peroxide to the hair, (E) leaving the hair for 5 to 30 min, and (F) rinsing or shampooing the dyed hair and then drying the hair.
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公开(公告)号：JP2002275040A
公开(公告)日：2002-09-25
申请号：JP2002071712
申请日：2002-03-15
Applicant: KAO CORP
Inventor： PRATT DOMINIC
Abstract: PROBLEM TO BE SOLVED: To obtain a hair-dyeing composition that can give a dyed color having excellent resistance to shampooing as well as high resistance to the effects from environments, for example, sunshine, sweat, rain, compared with the colors obtained from conventional direct dyes. SOLUTION: The objective hair-dyeing composition includes at least one compound represented by the formula [wherein R is a halogen atom; R and R are each a 1-4C alkyl or phenyl which may be substituted with hydroxy or amino group; R is H, a 1-4C alkyl or phenyl which may be substituted with hydroxy or amino group] as a direct dye.
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