Invention Grant
- Patent Title: Azoxy-azo-dyestuffs
- Patent Title (中): 偶氮染料
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Application No.: US23705951Application Date: 1951-07-16
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Publication No.: US2709166APublication Date: 1955-05-24
- Inventor: WALTER HANHART
- Applicant: CIBA LTD
- Assignee: Ciba Ltd
- Current Assignee: Ciba Ltd
- Priority: CH2709166X 1950-07-21
- Main IPC: C09B56/04
- IPC: C09B56/04
Information query
