发明授权
- 专利标题: Liquid black dye mixture
- 专利标题(中): 液体黑色染料混合物
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申请号: US126259申请日: 1987-11-27
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公开(公告)号: US4804387A公开(公告)日: 1989-02-14
- 发明人: Hans-Juergen Degen , Rudolf Bermes , Sigberg Pfohl
- 申请人: Hans-Juergen Degen , Rudolf Bermes , Sigberg Pfohl
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 主分类号: C09B67/22
- IPC分类号: C09B67/22 ; C09B67/26 ; C09B35/21 ; C09B56/04 ; C09B69/04
摘要:
Aqueous dye mixtures for black shades containing as dyes essentially those dyes which have the C.I. number 19,140, 40,000 or 47,035, in the form of the alkanolammonium salt, and also the dyes of the formula I, II and/or III ##STR1## where the cations R.sup.+ are each independently of the others an alkanolammonium cation, a substituted or unsubstituted ammonium cation or an alkali metal cation, and the quantities of the individual dyes are such as to produce a black, are suitable in particular for dyeing paper and leather.
公开/授权文献
- US5438580A Laser package and method of assembly 公开/授权日:1995-08-01