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EP0298843
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EP About this file: EP0298843
| EP0298843 - Process for separating rare earths by liquid-liquid extraction using solvents containing halogens or carboxylic acids [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 17.09.1991 Database last updated on 24.07.2024 | Most recent event Tooltip | 15.08.2008 | Change - representative | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states RHONE-POULENC CHIMIE 25, Quai Paul Doumer 92408 Courbevoie Cédex / FR | [N/P] |
| Former [1989/02] | For all designated states RHONE-POULENC CHIMIE 25, Quai Paul Doumer F-92408 Courbevoie Cédex / FR | Inventor(s) | 01 /
Levêque, Alain 18, rue du Général Guillaumat F-17000 La Rochelle / FR | [1989/02] | Representative(s) | Dutruc-Rosset, Marie-Claude, et al Rhodia Services Direction Propriété Industrielle 40, Rue de la Haie-Coq 93306 Aubervilliers Cedex / FR | [N/P] |
| Former [2008/38] | Dutruc-Rosset, Marie-Claude, et al Rhodia Services Direction Propriété Industrielle 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR | ||
| Former [1989/02] | Dutruc-Rosset, Marie-Claude, et al RHONE-POULENC INTERSERVICES Service Brevets Chimie 25, Quai Paul Doumer F-92408 Courbevoie Cédex / FR | Application number, filing date | 88401703.9 | 01.07.1988 | [1989/02] | Priority number, date | FR19870009796 | 10.07.1987 Original published format: FR 8709796 | [1989/02] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0298843 | Date: | 11.01.1989 | Language: | FR | [1989/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.09.1988 | Classification | IPC: | C22B59/00, C01F17/00, // C22B3/00 | [1989/02] | CPC: |
C01F17/17 (EP,US);
B01D11/02 (KR);
C22B3/3842 (EP,US);
C01F17/224 (EP,US);
C22B3/3844 (EP);
C22B3/409 (EP);
Y02P10/20 (EP)
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| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/02] | Title | German: | Verfahren zur Trennung von seltenen Erden durch Flüssig-Flüssig-Extraktion mittels Halogene oder Carboxylsäuren enthaltenden Lösemitteln | [1989/02] | English: | Process for separating rare earths by liquid-liquid extraction using solvents containing halogens or carboxylic acids | [1989/02] | French: | Procédé de séparation des terres rares par extraction liquide-liquide mettant en oeuvre des diluants halogènes ou du type acides carboxyliques | [1989/02] | File destroyed: | 02.03.1998 | Examination procedure | deleted | Communication of intention to grant the patent | 03.02.1989 | Examination requested [1989/14] | 04.12.1990 | Despatch of a communication from the examining division (Time limit: M04) | 16.04.1991 | Application deemed to be withdrawn, date of legal effect [1991/45] | 31.05.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1991/45] | Fees paid | Renewal fee | 25.07.1990 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 31.07.1991 | 04 M06 Not yet paid |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [X]US2859092 (BAILES RICHARD H, et al); | [X]US3230036 (KAPPELMANN FREDERICK A, et al); | [A]FR1514428 (THORIUM LTD); | [X]US3378352 (HANSEN ROBERT D); | [X]US3554693 (ORLANDINI KENT A, et al); | [A]US4201747 (KANEKO TSUGIO [JP], et al); | [X]FR2460275 (DAIHACHI CHEM IND); | [X]EP0156735 (RHONE POULENC SPEC CHIM [FR]); | [X]EP0198736 (RHONE POULENC SPEC CHIM [FR]); | [XP]EP0233121 (RHONE POULENC CHIMIE [FR]) |