发明授权
- 专利标题: Dyestuff mixture
- 专利标题(中): 染料混合物
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申请号: US667525申请日: 1984-11-02
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公开(公告)号: US4539009A公开(公告)日: 1985-09-03
- 发明人: Horst Nickel , Hans-Gunter Otten
- 申请人: Horst Nickel , Hans-Gunter Otten
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3340272 19831108
- 主分类号: C09B31/062
- IPC分类号: C09B31/062 ; C09B67/22 ; D06P1/06
摘要:
Mixtures of dyestuffs of the formula I ##STR1## and of the formula II ##STR2## wherein R=alkyl,R.sub.1 =H or R andR.sub.2 /R.sub.3 =R.sub.1 or alkoxy,are distinguished by being readily soluble in hard water and produce satisfactory golden yellow dyeings on polyamide fibres.
公开/授权文献
- US1662839A Dry-pipe-valve accelerator 公开/授权日:1928-03-20