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2303209
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Information
Patent Grant
2303209
References
Source
Patent Number
2,303,209
Date Filed
Not available
Date Issued
Tuesday, November 24, 1942
82 years ago
CPC
C14C3/20 - sulfonated
C14C9/04 - Fixing tanning agents in the leather
US Classifications
008 - Bleaching and dyeing
528 - Synthetic resins or natural rubbers
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