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1917441
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Information
Patent Grant
1917441
References
Source
Patent Number
1,917,441
Date Filed
Not available
Date Issued
Tuesday, July 11, 1933
91 years ago
CPC
C07C309/46 - having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
C07C309/45 - containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
C07C309/48 - the carbon skeleton being further substituted by halogen atoms
US Classifications
562 - Organic compounds
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