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3249394
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Information
Patent Grant
3249394
References
Source
Patent Number
3,249,394
Date Filed
Not available
Date Issued
Tuesday, May 3, 1966
58 years ago
CPC
D06P1/305 - SO3H-groups containing dyes
C09B1/42 - the acyl groups being residues of an aromatic carboxylic acid
C09B3/54 - Preparation from starting materials already containing the dibenzopyrenequinone nucleus
D06P3/666 - reactive group not directly attached to heterocyclic group
Y10S8/933 - Thermosol dyeing, thermofixation or dry heat fixation or development
US Classifications
008 - Bleaching and dyeing
552 - Organic compounds
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