comprising cyclic and acyclic compounds

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CPC
C22B3/0094

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CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B3/00Extraction of metal compounds from ores or concentrates by wet processes

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C22B3/0094comprising cyclic and acyclic compounds

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Patents Grantslast 30 patents

Information Patent Grant
Separation of rare earth values by liquid/liquid extraction
- Patent number 5,192,443
- Issue date Mar 9, 1993
- Rhone-Poulenc Chimie
- Thierry Delloye
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of rare earth values by liquid/liquid extraction
- Patent number 5,188,735
- Issue date Feb 23, 1993
- Rhone-Poulence Chimie
- Thierry Delloye
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of rare earth values by liquid/liquid extraction
- Patent number 4,647,438
- Issue date Mar 3, 1987
- Rhone-Poulenc Specialties Chimiques
- Jean-Louis Sabot
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and a reagent mixture for removing metal ions from an aqueou...
- Patent number 4,226,791
- Issue date Oct 7, 1980
- Berol Kemi AB
- Hans Reinhardt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents