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1995612
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Information
Patent Grant
1995612
References
Source
Patent Number
1,995,612
Date Filed
Not available
Date Issued
Tuesday, March 26, 1935
89 years ago
CPC
C07C319/28 - Separation Purification
B01J20/20 - comprising free carbon comprising carbon obtained by carbonising processes
C07C319/14 - of sulfides
C07C319/30 - from the by-products of refining mineral oils
C10G25/03 - with crystalline alumino-silicates
C10G2300/201 - Impurities
US Classifications
568 - Organic compounds
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