Process for the dyeing of leather with dye mixtures
    2.
    发明授权
    Process for the dyeing of leather with dye mixtures 失效
    用染料混合物染色皮革的方法

    公开(公告)号:US5486213A

    公开(公告)日:1996-01-23

    申请号:US80795

    申请日:1993-06-22

    CPC classification number: D06P3/3226 C09B67/0041 C09B67/0042

    Abstract: Dye mixtures comprising at least two metal-free dyes, one of which contains two to eight sulfo groups and the other three to eight sulfo groups, the mixture comprising at most one dye having two sulfo groups, are used for the dyeing of leather. Preferably, a trichromatic dye mixture comprising at least one yellow dye, at least one red dye and at least one blue dye is used. Leather can be dyed with these dye mixtures in brilliant shades.

    Abstract translation: 包含至少两种无金属染料的染料混合物,其中一种不含染料,其中一种含有两至八个磺基,而另外三至八个磺基,该混合物至多包含一个具有两个磺基的染料,用于皮革染色。 优选使用包含至少一种黄色染料,至少一种红色染料和至少一种蓝色染料的三色染料混合物。 可以用这些染料混合物将皮革染成明亮的色调。

    Process for dyeing leather with dye mixtures
    3.
    发明授权
    Process for dyeing leather with dye mixtures 失效
    用染料混合物染色皮革的方法

    公开(公告)号:US5354341A

    公开(公告)日:1994-10-11

    申请号:US37194

    申请日:1993-03-26

    CPC classification number: D06P3/3213 C09B67/0046 D06P3/3226

    Abstract: Leather is dyed using dye mixtures comprising at least two metal-free dyes each carrying a single sulfo or carboxyl group and having a molecular weight in the range from 450 to 700.It is preferred to use a trichromatic dyeing formulation comprising at least one yellow dye of formula (1), at least one red dye of formula (2) and at least one blue dye of formula (3) according to claim 2.Leather is dyed in brilliant shades with these dye mixtures.

    Abstract translation: 使用包含至少两种不含金属的染料染色的染料,每种染料各自携带单个磺基或羧基,分子量为450-700。优选使用包含至少一种黄色染料的三色染色制剂 式(1)的至少一种,至少一种式(2)的红色染料和至少一种根据权利要求2的式(3)的蓝色染料。用这些染料混合物将皮革染成明亮的色调。

    Process for dyeing leather with dye mixtures
    4.
    发明授权
    Process for dyeing leather with dye mixtures 失效
    用染料混合物染色皮革的方法

    公开(公告)号:US5376147A

    公开(公告)日:1994-12-27

    申请号:US025214

    申请日:1993-02-26

    CPC classification number: C09B67/0055 D06P3/3226

    Abstract: Dye mixtures comprising at least two metal-free dyes of different colors having in each case two sulfo or carboxyl groups and a molecular weight of between 790 and 1100 are used for dyeing leather. A trichromatic dye mixture comprising at least one yellow dye of the formula (1), at least one red dye of the formula (2) and at least one blue dye of the formula (3) according to claim 2 is preferably used. Leather can be dyed in brilliant shades using these dye mixtures.

    Abstract translation: 包含至少两种不同颜色的无金属染料的染料混合物用于染色皮革,每种染料在每种情况下具有两个磺基或羧基,分子量为790和1100之间。 优选使用包含至少一种式(1)的黄色染料,至少一种式(2)的红色染料和至少一种根据权利要求2的式(3)的蓝色染料的三色染料混合物。 可以使用这些染料混合物将皮革染成明亮的色调。

    1:2 chromium or cobalt complex axo dyes containing at least one
2-aryl-4-amino-6-hydroxypyrimidine radical
    7.
    发明授权
    1:2 chromium or cobalt complex axo dyes containing at least one 2-aryl-4-amino-6-hydroxypyrimidine radical 失效
    1:2含有至少一个2-芳基-4-氨基-6-羟基嘧啶基的铬或钴络合物轴染料

    公开(公告)号:US4962191A

    公开(公告)日:1990-10-09

    申请号:US399202

    申请日:1989-08-28

    CPC classification number: D06P1/10 C09B45/14

    Abstract: Dyes suitable for dyeing a wide range of textile and non-textile materials, in particular for dyeing leather and pelts, having, in the form of the free acid, the formula ##STR1## wherein D.sub.1 and D.sub.2 are each independently of the other the radical of a diazo component of the benzene or naphthalene series which carries a hydroxy or carboxy in ortho-position to the azo group and which may or may not be further substituted,K is the radical of a coupling component of the benzene or naphthalene series or of the heterocyclic series which carries the group X in ortho-position to the azo group and which may or may not be further substituted,Me is chromium or cobalt,Q is an unsubstituted or substituted phenyl or naphthyl radical or an unsubstituted or substituted aromatic-heterocyclic radical,R.sub.1 is unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or unsubstituted or substituted phenyl,R.sub.2 is hydrogen or independently has the meaning of R.sub.1, X is --O-- or --NR.sub.3,R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl, andp and q are each independently of the other 0 or 1.

    Abstract translation: 适用于染色各种纺织和非纺织材料的染料,特别是染色皮革和毛皮,具有游离酸形式的式(1),其中D1和D2各自独立地为 另一个苯或萘系列的重氮组分的基团,其在偶氮基的邻位带有羟基或羧基,并且可以被进一步取代,K是苯或萘的偶联组分的基团 系列或杂环系列,其携带基团X在偶氮基上邻位并且可以被进一步取代,Me是铬或钴,Q是未取代或取代的苯基或萘基或未取代或取代的 芳基 - 杂环基,R 1是未取代的或取代的C 1 -C 6烷基或未取代或取代的苯基,R 2是氢或独立地具有R 1,X是-O-或-NR 3,R 3是氢或C 1 -C 4烷基,p和 q 各自独立于0或1。

    1:2 Metal complexes of azomethine dyes having arylazo groups
    9.
    发明授权
    1:2 Metal complexes of azomethine dyes having arylazo groups 失效
    1:2具有芳基偶氮基的偶氮甲碱染料的金属络合物

    公开(公告)号:US4507124A

    公开(公告)日:1985-03-26

    申请号:US505647

    申请日:1983-06-20

    CPC classification number: C09B55/001 Y10S8/917 Y10S8/924

    Abstract: The dyes of the formula I ##STR1## in which Me is cobalt or chromium, A and A' independently of each other are each the radical of an amine of the benzene series which carries the hydroxyl group in the o-position relative to the azomethine group, Ar.sub.1 and Ar.sub.3 independently of each other are each a substituted or unsubstituted phenylene or naphthylene radical, Ar.sub.2 and Ar.sub.4 independently of each other are each a substituted or unsubstituted benzene or naphthalene radical, m and n independently of each other are each 0 or 1, p is an integer from 3 to 6 and Ka.sym. is a cation, are suitable for dyeing polyamides, particularly wool and leather.

    Abstract translation: 其中Me是钴或铬的式I(I)的染料,A和A'彼此独立地分别是在相对位置携带羟基的苯系列的胺基团 对于偶氮甲碱基团,Ar 1和Ar 3彼此独立地各自为取代或未取代的亚苯基或亚萘基,Ar 2和Ar 4彼此独立地各自为取代或未取代的苯或萘基,m和n各自独立地为彼此 0或1,p为3至6的整数,Ka(+)为阳离子,适用于染色聚酰胺,特别是羊毛和皮革。

    Process for the preparation of 1:2 metal complex azo compounds by
carrying out diazotization and coupling in the presence of a metal donor
    10.
    发明授权
    Process for the preparation of 1:2 metal complex azo compounds by carrying out diazotization and coupling in the presence of a metal donor 失效
    通过在金属给体的存在下进行重氮化和偶联来制备1:2金属络合物偶氮化合物的方法

    公开(公告)号:US5204453A

    公开(公告)日:1993-04-20

    申请号:US815839

    申请日:1991-12-30

    CPC classification number: C09B45/01

    Abstract: The invention relates to a process for the preparation of 1:2 chromium, 1:2 cobalt, 1:2 nickel or 1:2 iron complex azo dyes diazotisation, coupling and metallizing, without isolation of the coupling product, which process comprises diazotizing at least one amine of the benzene or naphthalene series in aqueous solution and coupling the diazonium compound so obtained to at least one coupling component of the benzene or naphthalene series or of the heterocyclic series, such that the azo dye obtained as intermediate contains groups suitable for metal complex formation, and carrying out the diazotization or coupling in the presence of a chromium, cobalt, nickel or iron donor.The dyes obtained by the process of the invention are suitable for dyeing in particular wool or synthetic textile polyamide fibre materials as well as leather, and for use as wood mordant dyes.

    Abstract translation: 本发明涉及一种制备1:2铬,1:2钴,1:2镍或1:2铁络合物偶氮染料重氮化,偶联和金属化,不分离偶合产物的方法,该方法包括在 将苯或萘系中的至少一种胺在水溶液中偶联,所得到的重氮化合物与苯或萘系列或杂环系列的至少一个偶联组分偶合,使得作为中间体获得的偶氮染料含有适合金属的基团 复合物形成,并在铬,钴,镍或铁给体的存在下进行重氮化或偶联。 通过本发明方法获得的染料适用于特别是羊毛或合成纺织品聚酰胺纤维材料以及皮革的染色,并且用作木材媒染染料。

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