发明授权
- 专利标题: Naphtholactam dyes
- 专利标题(中): 萘酚内酰胺染料
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申请号: US574401申请日: 1975-05-05
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公开(公告)号: US4009165A公开(公告)日: 1977-02-22
- 发明人: Ernst Schefczik
- 申请人: Ernst Schefczik
- 申请人地址: DT Ludwigshafen (Rhine)
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DT Ludwigshafen (Rhine)
- 优先权: DT2428198 19740611
- 主分类号: C09B5/24
- IPC分类号: C09B5/24 ; C09B57/06 ; C09B57/14 ; D06P5/28 ; C07D403/04
摘要:
Condensation products of derivatives of naphtholactam and barbituric acid useful as dyes for synthetic fibers, particularly synthetic linear polyesters, and for coloring resins. The dyes give brilliant yellow to violet shades having outstanding fastness properties.