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3221020
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Information
Patent Grant
3221020
References
Source
Patent Number
3,221,020
Date Filed
Not available
Date Issued
Tuesday, November 30, 1965
58 years ago
CPC
C07D513/04 - Ortho-condensed systems
C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
C09B1/22 - Dyes with unsubstituted amino groups
C09B1/42 - the acyl groups being residues of an aromatic carboxylic acid
C09B5/10 - Isothiazolanthrones Isoxazolanthrones Isoselenazolanthrones
C07C2103/24 - (Hydrogenated) anthracenes
US Classifications
548 - Organic compounds
008 - Bleaching and dyeing
106 - Compositions: coating or plastic
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