Invention Grant
- Patent Title: Anthraquinone dyestuffs
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Application No.: US71847958Application Date: 1958-03-03
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Publication No.: US2952690APublication Date: 1960-09-13
- Inventor: HENRI RIAT
- Applicant: CIBA LTD
- Assignee: Ciba Ltd
- Current Assignee: Ciba Ltd
- Priority: CH2952690X 1957-03-12
Information query
