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Alain Leveque

USPTO Granted Patents = 18

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 182(Granted Patents)

Location History:

Paris, FR (1976 - 1990)
La Rochelle, FR (1990 - 1995)

Company Filing History:

Rhone-Poulenc Industries

Rhone-Poulenc Chimie

Rhone-Poulenc Specialites Chimiques

4. 1 out of 142

Rhone-Poulenc S.a.

Years Active: 1976-1995

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5403565 - Thorium phosphates prepared by insolubilization of soluble thorium (1995-04-04),

2. 5338520 - Recovery of neodymium/didymium values from bastnaesite ores (1994-08-16),

3. 5006254 - Reducing the radium radioactivity of aqueous effluents (1991-04-09),

4. 4964997 - Liquid/liquid extraction of rare earth/cobalt values (1990-10-23),

5. 4964996 - Liquid/liquid extraction of rare earth/cobalt values (1990-10-23),

6. 4927609 - Recovery of gallium/rare earth values from oxide mixtures thereof (1990-05-22),

7. 4724129 - Method of recovering gallium from very basic solutions by liquid/liquid (1988-02-09),

8. 4499058 - Liquid/liquid extraction of acidic aqueous streams comprising (1985-02-12),

9. 4461748 - Liquid-liquid extraction of rare earth/uranium/thorium values (1984-07-24),

10. 4407780 - Reductive stripping of uranium values from wet-process phosphoric acid (1983-10-04),

11. 4404174 - Purification of solutions of gallium values by serial ion (1983-09-13),

12. 4372923 - Purification of solutions of gallium values by liquid/liquid extraction (1983-02-08),

13. 4369166 - Purification of solutions of gallium values by liquid/liquid extraction (1983-01-18),

14. 4255394 - Process for the separating of rare earths (1981-03-10),

15. 4241029 - Liquid/liquid extraction of gallium values from basic aqueous solutions (1980-12-23),

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