Invention Grant
- Patent Title: Azo-dyestuffs
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Application No.: US54062355Application Date: 1955-10-14
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Publication No.: US2809963APublication Date: 1957-10-15
- Inventor: WALTER HANHART
- Applicant: CIBA LTD
- Assignee: Ciba Ltd
- Current Assignee: Ciba Ltd
- Priority: CH2809963X 1954-10-26
- Main IPC: C09B35/366
- IPC: C09B35/366
Information query
