Jean-Paul Tognet

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La Rochelle, FR

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Patents Grantslast 30 patents

Information Patent Grant
Processing of rare earth ores
- Patent number 4,976,939
- Issue date Dec 11, 1990
- Rhone-Poulenc Specialites Chimiques
- Frederic Fabre
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Production of rare earth hydroxides from phosphate ores
- Patent number 4,758,412
- Issue date Jul 19, 1988
- Rhone-Poulenc Specialites Chimiques
- Frederic Fabre
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Essentially complete recovery of uranium, yttrium, thorium and rare...
- Patent number 4,636,369
- Issue date Jan 13, 1987
- Rhone-Poulenc Chimie de Base
- Jean Fava
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...