发明授权
US4141889A Symmetrical hexakisazo compounds having a 2,2'-disulfostilbenyl central
radical
失效
具有2,2(40-二磺基二苯基中心基团)的对称六氮杂偶合物
- 专利标题: Symmetrical hexakisazo compounds having a 2,2'-disulfostilbenyl central radical
- 专利标题(中): 具有2,2(40-二磺基二苯基中心基团)的对称六氮杂偶合物
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申请号: US819241申请日: 1977-07-27
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公开(公告)号: US4141889A公开(公告)日: 1979-02-27
- 发明人: Zdenek Allan
- 申请人: Zdenek Allan
- 申请人地址: CHX Basel
- 专利权人: Sandoz Ltd.
- 当前专利权人: Sandoz Ltd.
- 当前专利权人地址: CHX Basel
- 优先权: CHX9832/76 19760802
- 主分类号: C09B35/52
- IPC分类号: C09B35/52 ; C09B35/64 ; C09B43/08 ; C09B35/36
摘要:
Symmetrical hexakisazo compounds of the formula ##STR1## and mixtures of such compounds, WHEREINEach X is hydrogen or --SO.sub.3 M,each R.sub.1 is --OH or --NH.sub.2,each R.sub.2 is --OH or --NH.sub.2,each Y is hydrogen, methyl, or --SO.sub.3 M, andEach M, independently, is hydrogen or a non-chromophoric cation,Their production, dye compositions containing them, and their use in the dyeing of cellulosic substrates such as cotton and paper.
公开/授权文献
- US5820468A Bipode joint 公开/授权日:1998-10-13
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