发明授权
- 专利标题： Hemicyanine dyestuffs
- 专利标题（中）： 化学试剂
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申请号： US20652271申请日： 1971-12-09
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公开(公告)号： US3904613A公开(公告)日： 1975-09-09
- 发明人: SCHMITT ERNST
- 申请人： BAYER AG
- 专利权人： Bayer Ag
- 当前专利权人： Bayer Ag
- 优先权： DE2060615 1970-12-09
- 主分类号： C07D209/12
- IPC分类号： C07D209/12 ; C07D209/14 ; C09B23/06 ; C09B23/10 ; C09B23/14 ; C09B23/16 ; C07D27/56
摘要：
The dyestuffs are used for dyeing and printing natural and synthetic materials.
Dihydroindoles of the formula
AND THEIR USE AS CONDENSATION COMPONENTS FOR THE MANUFACTURE OF BASIC INDOLENINE DYESTUFFS OF THE FORMULA
Dihydroindoles of the formula
AND THEIR USE AS CONDENSATION COMPONENTS FOR THE MANUFACTURE OF BASIC INDOLENINE DYESTUFFS OF THE FORMULA
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