Invention Grant
- Patent Title: Benzindole cyanotrimethine basic dyestuffs
- Patent Title (中): 苯并吲哚氰基三聚氰基碱性染料
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Application No.: US37736964Application Date: 1964-06-23
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Publication No.: US3399191APublication Date: 1968-08-27
- Inventor: ALFRED BRACK
- Applicant: BAYER AG
- Assignee: Bayer Ag
- Current Assignee: Bayer Ag
- Priority: DEF0040638 1963-08-30
- Main IPC: C09B23/01
- IPC: C09B23/01 ; C09B57/06
Information query
