Invention Grant
- Patent Title: Copper-containing azo dyestuffs
- Patent Title (中): 含铜偶氮染料
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Application No.: US20631151Application Date: 1951-01-16
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Publication No.: US2638468APublication Date: 1953-05-12
- Inventor: WALTER WEHRLI
- Applicant: SANDOZ LTD
- Assignee: Sandoz Ltd
- Current Assignee: Sandoz Ltd
- Priority: CH2638468X 1944-08-24
- Main IPC: C09B45/28
- IPC: C09B45/28
Information query
