comprising cyclic compounds only

Industry

CPC
C22B3/0093

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Parent Industries

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

Current Industry

C22B3/0093comprising cyclic compounds only

Industries

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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
Process for selectively stripping iron ions from an organic solvent
- Patent number 4,670,230
- Issue date Jun 2, 1987
- Solex Research Corporation of Japan
- Morio Watanabe
- 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
Process for recovery of aluminum oxide from aluminum compounds cont...
- Patent number 4,390,508
- Issue date Jun 28, 1983
- Solex Research Corporation of Japan
- Morio Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ferric iron removal from aluminum fluoride solutions
- Patent number 4,172,879
- Issue date Oct 30, 1979
- Freeport Minerals Company
- David J. Miller
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

comprising cyclic compounds only

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Separation of rare earth values by liquid/liquid extraction

Separation of rare earth values by liquid/liquid extraction

Process for selectively stripping iron ions from an organic solvent

Separation of rare earth values by liquid/liquid extraction

Process for recovery of aluminum oxide from aluminum compounds cont...

Ferric iron removal from aluminum fluoride solutions

Patents Applicationslast 30 patents