LEUKOKÜPENFARBSTOFF-PRÄPARATIONEN IN GRANULATFORM
    1.
    发明公开
    LEUKOKÜPENFARBSTOFF-PRÄPARATIONEN IN GRANULATFORM 失效
    LEUKOKÜPENFARBSTOFF-PRÄPARATIONEN在GRANULATFORM

    公开(公告)号:EP0906372A1

    公开(公告)日:1999-04-07

    申请号:EP97927136.0

    申请日:1997-06-05

    IPC分类号: C09B9 C09B7 C09B67

    摘要: Leuco vat dye preparations in granular form, containing as their essential components leuco vat dyes, alkaline metal hydroxide and a mixture of 10 to 100 wt.% of an α-hydroxy-C1-C4-alkyl sulphinic aid, one of its salts or derivatives and 0 to 90 wt.% of hydrosulphite as a reducing agent, and the production of these preparations and their use in dyeing cellulose-containing fabrics.

    摘要翻译: PCT No.PCT / EP97 / 02912 Sec。 371 1998年12月18日第 102(e)1998年12月18日日期PCT 1997年6月5日PCT公布。 出版物WO97 / 48770 日期1997年12月24日包含作为必需组分的颗粒,其为无色元素染料,碱金属氢氧化物和10至100重量%的α-羟基-C 1 -C 4 - 烷基亚磺酸,其盐或衍生物之一和 制备0至90重量%的作为还原剂的连二亚硫酸盐,并用于染色纤维素纺织材料。

    KONZENTRIERTE LEUKOINDIGOLÖSUNGEN
    2.
    发明公开
    KONZENTRIERTE LEUKOINDIGOLÖSUNGEN 有权
    KONZENTRIERTE LEUKOINDIGOLOSUNGEN

    公开(公告)号:EP1097184A1

    公开(公告)日:2001-05-09

    申请号:EP99932787.7

    申请日:1999-07-02

    IPC分类号: C09B67/30 D06P1/22

    CPC分类号: C09B7/02 D06P1/228 D06P1/6735

    摘要: Concentrated leucoindigo solutions, comprising the following essential ingredients: 25-55 wt. % leucoindigo in the form of a leucoindigo salt, a mixture of at least two alkali metal hydroxides, whereby the respective proportion of each metal hydroxide does not exceed 70 mol % and the amount thereof corresponds to the stochiometrically required amount for the leucoindigo to be converted into said neutral leucoindigo salt, in addition to water. The invention also relates to the production of said leucoindigo solutions and the use thereof for colouring textile material containing cellulose.