发明授权
US5066791A Pyridoneazo dyes with an M-aminobenzoic ester as the diazo component
失效
具有作为DIAZO组分的M-氨基苯甲酸酯的吡哆醛染料
- 专利标题: Pyridoneazo dyes with an M-aminobenzoic ester as the diazo component
- 专利标题(中): 具有作为DIAZO组分的M-氨基苯甲酸酯的吡哆醛染料
-
申请号: US480359申请日: 1990-02-14
-
公开(公告)号: US5066791A公开(公告)日: 1991-11-19
- 发明人: Guenter Hansen , Gunther Lamm , Hermann Loeffler
- 申请人: Guenter Hansen , Gunther Lamm , Hermann Loeffler
- 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: DEX3736817 19871030
- 主分类号: C09B29/01
- IPC分类号: C09B29/01 ; C09B29/42
摘要:
Pyridoneazo dyes of the formula ##STR1## where L is C.sub.2 - or C.sub.3 -alkylene, R is C.sub.1 -C.sub.3 -alkyl and n is 1, 2 or 3, are useful for dyeing polyester fabrics.
公开/授权文献
信息查询