发明授权
- 专利标题： Dyeing assistants and their use
- 专利标题（中）： 染色助剂及其用途
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申请号： US900035申请日： 1992-06-17
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公开(公告)号： US5443598A公开(公告)日： 1995-08-22
- 发明人: Hans-Peter Baumann
- 申请人： Hans-Peter Baumann
- 申请人地址： CHX Basle
- 专利权人： Sandoz Ltd.
- 当前专利权人： Sandoz Ltd.
- 当前专利权人地址： CHX Basle
- 优先权： DEX4119861.1 19910617
- 主分类号： D06P1/60
- IPC分类号： D06P1/60 ; D06P1/52 ; D06P1/642 ; D06P3/70 ; D06P5/12
摘要：
Compositions comprising(a) a cationic surfactant which per se acts as a reserving agent in the dyeing of substrates dyeable with anionic dyes, or a mixture of such surfactantsand (b) a cationic surfactant which per se acts as a retarder in the dyeing of polyacrylonitrile with cationic dyes, or a mixture of such surfactantsand which may contain further components, are eminently suitable as reserving agents for substrates dyeable with anionic dyes.
公开/授权文献
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