Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925254 | Process for separating sodium from aqueous effluents resulting from the reprocessing of spent nuclear fuel elements | Jacques Foos, Alain Guy, Eric Gaubert, Colette Bardot, Rodolph Chomel +3 more | 1999-07-20 |
| 5702608 | Process and installation for the decontamination of radioactive nitric effluents containing strontium and sodium | Jacques Foos, Alain Guy, Bruno Leclere, Gerard Le Buzit, Pierre Doutreluingne | 1997-12-30 |
| 5417942 | Process for trapping gaseous ruthenium on polyvinyl pyridine, more particularly usable for recovering radioactive ruthenium from irradiated nuclear fuels | Jacques Foos, Alain Guy, Micheline Draye, Rodolph Chomel, Andre Deloge +1 more | 1995-05-23 |
| 5405937 | Polymers derived from fluorinated thiophenes, and conductive polymers derived therefrom | Werner Burchner, Ahmed El Kassmi, Etienne Hannecart | 1995-04-11 |
| 5372794 | Process for the separation of certain elements from aqueous solutions resulting from the reprocessing of spent nuclear fuels | Jacques Foos, Alain Guy, Micheline Draye, Rodolph Chomel, Rene Chevillotte | 1994-12-13 |
| 5344624 | Method for recovering with the aid of a crown compound plutonium (IV) present in solutions, such as aqueous effluents, concentrated solutions of fission products and concentrated solutions of plutonium | Jacques Foos, Alain Guy, Vincent Guyon, Rodolphe Chomel, Andre Delo Ge +2 more | 1994-09-06 |
| 5268448 | Conducting polymers derived from fluorinated thiophenes | Werner Buechner, Jean Roncali, Robert Garreau, Francis Garnier, Etienne Hannecart | 1993-12-07 |
| 5204424 | Conductive polymers derived from aromatic heterocyclic compounds substituted by an ether-type group | Jean Roncali, Robert Garreau, Didier Delabouglise, Francis Garnier, Etienne Hannecart | 1993-04-20 |
| 5183645 | Method for recovering with the aid of a crown compound plutonium (IV) present in solutions, such as aqueous effluents, concentrated solutions of fission products and concentrated solutions of plutonium | Jacques Foos, Alain Guy, Vincent Guyon, Rodolphe Chomel, Andre Deloge +2 more | 1993-02-02 |
| 5171546 | Use of thioether ligands for separating palladium from aqueous solutions and in particular nitric solutions for dissolving irradiated nuclear fuel elements | Alain Guy, Jacques Foos, Gerard Le Buzit, Vincent Guyon, Thierry Moutarde +2 more | 1992-12-15 |
| 5132049 | Substituted thiophenes, conducting polymers derived from these thiophenes, process for obtaining them and devices containing these polymers | Robert Garreau, Jean Roncali, Hafsa Korri, Francis Garnier, Etienne Hannecart | 1992-07-21 |
| 5085834 | Method for separating by using crown compounds plutonium from uranium and from fission products in the initial stages for the reprocessing of irradiated nuclear fuels | Alain Guy, Jacques Foos, Rodolphe Chomel, Pierre Doutreluigne, Thierry Moutarde +2 more | 1992-02-04 |
| 5082955 | Method of separating isomers of a crown ether compound to recover cis-syn-cis isomer from dicyclohexyl 18-crown 6. | Alain Guy, Jacques Foos, Vincent Guyon, Rodolphe Chomel | 1992-01-21 |
| 5059694 | 3-substituted polypyrrole | Didier Delabouglise, Jean Roncali, Francis Garnier | 1991-10-22 |
| 5028402 | Process for separating by means of crown ethers the uranium and plutonium present in an aqueous medium resulting from the reprocessing of irradiated nuclear fuels | Jacques Foos, Pierre Epherre, Alain Guy, Rodolph Chomel, Gerard Cauquil +2 more | 1991-07-02 |
| 4909959 | Conductive polymers derived from 3-alkylthiophenes, a process for manufacturing them and electroconductive devices containing them | Jean Roncali, Robert Garreau, Francis Garnier, Etienne Hannecart | 1990-03-20 |
| 4585079 | Method and a machine for handling drill pipes | Roland Le Roc'h | 1986-04-29 |
| 4567952 | Process and apparatus for locking and releasing of a drilling shaft with essentially vertical axis | Roland Le Roc'h | 1986-02-04 |
| 4545269 | Machine to apply a screwing or unscrewing torque | Roland Le Roc'h | 1985-10-08 |