from spent catalysts

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CPC
C22B21/0076

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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B21/00Obtaining aluminium

Current Industry

C22B21/0076from spent catalysts

Industries

Patents Grantslast 30 patents

Information Patent Grant
Recovery of aluminum and/or fluoride values from used aluminum chlo...
- Patent number 5,663,478
- Issue date Sep 2, 1997
- E. I. Du Pont de Nemours and Company
- William Henry Gumprecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3773890
- Patent number 3,773,890
- Issue date Nov 20, 1973
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...