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3004974
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Information
Patent Grant
3004974
References
Source
Patent Number
3,004,974
Date Filed
Not available
Date Issued
Tuesday, October 17, 1961
63 years ago
CPC
C09B1/40 - the acyl groups being residues of an aliphatic or araliphatic carboxylic acid
C09B1/516 - N-acylated derivatives
Y10S8/927 - Polyacrylonitrile fiber
US Classifications
546 - Organic compounds
008 - Bleaching and dyeing
552 - Organic compounds
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