发明授权
US5470959A Polyazo dyes having a diazo component of the aminobenzophenone series
失效
具有氨基二苯甲酮系列的重氮组分的多偶氮染料
- 专利标题: Polyazo dyes having a diazo component of the aminobenzophenone series
- 专利标题(中): 具有氨基二苯甲酮系列的重氮组分的多偶氮染料
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申请号: US185235申请日: 1994-01-24
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公开(公告)号: US5470959A公开(公告)日: 1995-11-28
- 发明人: Gunther Lamm , Udo Mayer , Helmut Reichelt , Georg Zeidler
- 申请人: Gunther Lamm , Udo Mayer , Helmut Reichelt , Georg Zeidler
- 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
- 优先权: DEX4142696.7 19911221
- 主分类号: C09B33/04
- IPC分类号: C09B33/04 ; C09B33/18 ; C09B33/24 ; C09B45/24 ; C09B33/02 ; D06P3/32
摘要:
##STR1## where p is from 1 to 2 and q is from 0 to 1 are useful in free form or as copper, chromium, iron, cobalt or nickel complexes for dyeing leather.
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