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2222170
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Patent Grant
2222170
References
Source
Patent Number
2,222,170
Date Filed
Not available
Date Issued
Tuesday, November 19, 1940
83 years ago
CPC
C07C319/30 - from the by-products of refining mineral oils
C10G19/00 - Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
US Classifications
568 - Organic compounds
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