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1984941
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Information
Patent Grant
1984941
References
Source
Patent Number
1,984,941
Date Filed
Not available
Date Issued
Tuesday, December 18, 1934
89 years ago
CPC
C09B5/40 - Condensation products of benzanthronyl-amino-anthraquinones
C09B5/18 - Coeroxene Coerthiene Coeramidene Derivatives thereof
C09B5/28 - Anthrimide carbazoles
US Classifications
546 - Organic compounds
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