Invention Grant
- Patent Title: Acid polyazo dyes
- Patent Title (中): 酸性多偶氮染料
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Application No.: US091360Application Date: 1998-06-19
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Publication No.: US6011141APublication Date: 2000-01-04
- Inventor: Gunther Lamm , Helmut Reichelt , Matthias Wiesenfeldt
- Applicant: Gunther Lamm , Helmut Reichelt , Matthias Wiesenfeldt
- Applicant Address: DEX Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DEX Ludwigshafen
- Priority: DEX19548785 19951227
- Main IPC: C09B35/64
- IPC: C09B35/64 ; C09B62/513
Abstract:
Polyazo dyes of the formula ##STR1## where n, Y.sup.1, Y.sup.2, Y.sup.3, Y.sup.4, X, R.sup.1, R.sup.2 and R.sup.3 are each as defined in more detail in the description are useful for dyeing natural or synthetic substrates.
Public/Granted literature
- USD416025S Vehicular adaptor station for a portable communication device Public/Granted day:1999-11-02
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