blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0434513

EP0434513 - Method for separating plutonium and uranium from fission products using crown ethers, in the first stages of treating irradiated nuclear fuel [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  17.05.1996
Database last updated on 26.06.2024
Most recent event   Tooltip30.11.2007Lapse of the patent in a contracting statepublished on 02.01.2008  [2008/01]
Applicant(s)For all designated states
COGEMA COMPAGNIE GENERALE DES MATIERES NUCLEAIRES
2, rue Paul Dautier B.P. 4
F-78141 Velizy-Villacoublay / FR
[1991/26]
Inventor(s)01 / Lemaire, Marc
23 rue Château Gaillard
F-69100 Villeurbanne / FR
02 / Guy, Alain
1 rue Urgons
F-77135 Pontcarre / FR
03 / Foos, Jacques
33 rue Louis Scocard
F-91400 Orsay / FR
04 / Chomel, Rodolphe
27Bis, Avenue de Champlin
F-84100 Orange / FR
05 / Doutreluigne, Pierre
15 rue de la Cerisaie
F-30200 Bagnols sur Ceze / FR
06 / Moutarde, Thierry Chez Louis Perez
Route d'Uchaux chemin Vicinal 04
F-84420 Piolenc / FR
07 / Guyon, Vincent
235 rue Saint Martin
F-75003 Paris / FR
08 / Le Roy, Henri
Résidence du Val l'Abbé
F-50120 Equeurdreville / FR
[1991/26]
Representative(s)des Termes, Monique, et al
Société Brevatome 3, rue du Docteur Lancereaux
75008 Paris / FR
[N/P]
Former [1995/27]Des Termes, Monique, et al
Société Brevatome 25, rue de Ponthieu
F-75008 Paris / FR
Former [1991/26]Mongrédien, André
c/o BREVATOME 25, rue de Ponthieu
F-75008 Paris / FR
Application number, filing date90403574.813.12.1990
[1991/26]
Priority number, dateFR1989001663615.12.1989         Original published format: FR 8916636
FR1989001663815.12.1989         Original published format: FR 8916638
[1991/26]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0434513
Date:26.06.1991
Language:FR
[1991/26]
Type: B1 Patent specification 
No.:EP0434513
Date:05.07.1995
Language:FR
[1995/27]
Search report(s)(Supplementary) European search report - dispatched on:EP29.04.1991
ClassificationIPC:G21C19/46, C22B60/02, C22B3/26, C01G56/00, C01G57/00
[1991/26]
CPC:
C01G56/001 (EP,US); C01G35/00 (KR); C22B3/304 (EP,US);
C01G56/00 (KR); C22B60/026 (EP,US); G21C19/46 (EP,US);
Y02E30/30 (EP); Y02P10/20 (EP,US); Y02W30/50 (EP,US) (-)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   SE [1991/26]
TitleGerman:Verfahren zum Abtrennen von Plutonium und Uran aus den Spaltprodukten während der ersten Aufbereitungsstufen ausgebrannter Kernbrennstoffe[1991/26]
English:Method for separating plutonium and uranium from fission products using crown ethers, in the first stages of treating irradiated nuclear fuel[1991/26]
French:Procédé pour séparer au moyen d'éthers-couronnes le plutonium de l'uranium et des produits de fission, dans les premiers stades du retraitement des combustibles nucléaires irradiés[1991/26]
Examination procedure30.11.1991Examination requested  [1992/04]
18.01.1994Despatch of a communication from the examining division (Time limit: M06)
23.06.1994Reply to a communication from the examining division
10.11.1994Despatch of communication of intention to grant (Approval: Yes)
03.01.1995Communication of intention to grant the patent
07.03.1995Fee for grant paid
07.03.1995Fee for publishing/printing paid
Opposition(s)10.04.1996No opposition filed within time limit [1996/27]
Fees paidRenewal fee
21.12.1992Renewal fee patent year 03
22.12.1993Renewal fee patent year 04
24.11.1994Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipES05.07.1995
IT05.07.1995
SE05.10.1995
DE06.10.1995
BE31.12.1995
[2008/01]
Former [2002/25]ES05.07.1995
IT05.07.1995
SE05.10.1995
DE06.10.1995
BE31.12.1995
Former [1999/42]IT05.07.1995
SE05.10.1995
DE06.10.1995
BE31.12.1995
Former [1996/52]SE05.10.1995
DE06.10.1995
BE31.12.1995
Former [1996/14]SE05.10.1995
DE06.10.1995
Former [1996/11]SE05.10.1995
Documents cited:Search[A]US4186175  (TOMAJA DAVID L [US])
 [X]  - CHEMICAL ABSTRACTS, vol. 111, no. 6, 1989, page 445, abrégé no. 46006v, Columbus, Ohio, US; T. DELLOYE et al.: "Liquid-liquid extraction and transport through a water chloroform water liquid membrane of alkaline earth nitrates by dicylcohexano 18-crown-6 (DC18-6)", & NEW J. CHEM. 1989, 13(2), 139-44
 [X]  - CHEMICAL ABSTRACTS, vol. 107, no. 12, 1987, pages 469-470, abrégé no. 103766m, Columbus, Ohio, US; W. WANG et al.: "Extraction equilibrium and crystal structure of hydronium-uranium(IV)-dicyclohexano-18-crown-6 isomer A complex", & RADIOCHIM. ACTA 1986, 40(4), 199-202
 [X]  - CHEMICAL ABSTRACTS, vol. 107, no. 4, 1987, page 421, abrégé no. 29787a, Columbus, Ohio, US; W.J. WANG et al.: "Further study of extraction equilibrium of uranium(VI) with dicyclohexano-18-crown-6 and its application to separating uranium and thorium", & J. RADIOANAL. NUCL. CHEM. 1987, 110(1), 227-33
 [A]  - CHEMICAL ABSTRACTS, vol. 104, no. 20, 1986, page 445, résumé no. 175397c, Columbus, Ohio, US; W.J. WANG et al.: "Extraction equilibrium of uranium(VI) with dicyclohexano-18-crown-6 and its application for separating uranium and thorium", & J. RADIOANAL.. NUCL. CHEM. 1986, 98(1), 11-16
 [A]  - CHEMICAL ABSTRACTS, vol. 102, no. 14, 1984, abrégé no. 120874j, Columbus, Ohio, US; V.V. YAKSHIN et al.: "Reactivity of diastereomers of dicyclohexyl-18-crown-6 in the extraction of inorganic acids and metal salts"; & DOKL. AKAD. NAUK SSSR, 279(2), 407-10
 [A]  - CHEMICAL ABSTRACTS, vol. 102, no. 24, 1985, abrégé no. 14303z, Columbus, Ohio, US; V.V. YAKSHIN et al.: "Extraction of lead from solutions of complex composition using dicyclohexyl-18-crown-6", & ZH. ANAL. KHIM. 40(3), 469-72
 [A]  - CHEMICAL ABSTRACTS, vol. 109, no. 22, 1988, abrégé no. 198431b, Columbus, Ohio, US; J.F. LORET et al.: "Liquid-lipophilic gel extraction of precious metals", & SOLVENT EXTR. ION EXCH., 6(4), 585-603
 [A]  - CHEMICAL ABSTRACTS, vol. 89, no. 2, 1978, abrégé no. 16088h, Columbus, Ohio, US; W.H. DELPHIN et al.: "Effects of crown ethers on ion exchange behavior of alkali metals", & ANAL. CHEM., 50(7), 843-8
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.