-
EP0004226
European procedure
Extract from the Register of European Patents
EP About this file: EP0004226
| EP0004226 - Process for separating elements in the group consisting of the lanthanides and yttrium [Right-click to bookmark this link] | |||
| Former [1981/08] | Process for separating rare earth elements | ||
| [1981/08] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 03.09.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states RHONE-POULENC INDUSTRIES 22 Avenue Montaigne 75008 Paris / FR | [N/P] | Inventor(s) | 01 /
Helgorsky, Jacques 21, rue de la République F-95740 Frepillon / FR | 02 /
Leveque, Alain 8-10, rue Manin F-75019 Paris / FR | [N/P] | Representative(s) | Savina, Jacques, et al Aventis Pharma S.A. Direction des Brevets, Tri LEO/144 20, avenue Raymond Aron 92165 Antony Cedex / FR | [N/P] |
| Former [1981/08] | Savina, Jacques, et al RHONE-POULENC RECHERCHES Service Brevets Chimie et Polymères 25, Quai Paul Doumer F-92408 Courbevoie Cedex / FR | Application number, filing date | 79400120.6 | 27.02.1979 | Priority number, date | FR19780006926 | 10.03.1978 Original published format: FR 7806926 | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0004226 | Date: | 19.09.1979 | Language: | FR | [N/P] | Type: | B1 Patent specification | No.: | EP0004226 | Date: | 25.02.1981 | Language: | FR | [1981/08] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.07.1979 | Classification | IPC: | C01F17/00, C22B59/00, C22B3/00 | [1981/08] | CPC: |
C22B59/00 (EP,US);
C22B3/364 (EP,US);
C01F17/17 (EP,US);
Y02P10/20 (EP,US);
Y10S423/14 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LU, NL, SE | Title | German: | Verfahren zur Trennung der Lanthaniden sowie Yttrium | [1981/08] | English: | Process for separating elements in the group consisting of the lanthanides and yttrium | [1981/08] | French: | Procédé de séparation des éléments du groupe constitué par les lanthanides et l'yttrium | [1981/08] |
| Former [1981/08] | Verfahren zur Trennung seltener Erden | ||
| Former [1981/08] | Process for separating rare earth elements | ||
| Former [1981/08] | Procédé de séparation des terres rares | Examination procedure | 23.07.1979 | Examination requested | 04.01.1980 | Despatch of a communication from the examining division (Time limit: {0}) | 23.06.1980 | Despatch of a communication from the examining division (Time limit: M02) | 04.07.1980 | Reply to a communication from the examining division | 14.08.1980 | Despatch of communication of intention to grant (Approval: ) | 09.09.1980 | Communication of intention to grant the patent | 28.10.1980 | Fee for grant paid | 28.10.1980 | Fee for publishing/printing paid | Opposition(s) | 02.03.1982 | No opposition filed within time limit [ N /P ] |
| 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 Tooltip | LU | 28.02.1981 | [1999/52] | Documents cited: | Search | AU448131 [ ] | [ ] - COMPTES - RENDUS HEBDOMADAIRES DES SEANCES DE L'ACADEMIE DES SCIENCES, Paris Gauthier-Villar Editeur, tome 273, 27 Octobre 1971, No. 17, Serie C, pages 1073-1076. * Page 10731ere alinea * | [ ] - CHEMICAL ABSTRACTS, Vol. 81, No.2, July 15, 1974, ref 6721e, page 187 Columbus, Ohio, USA R. KOPUNEC et al.: "Solubility of cerium and praseodymium 8-hydroxyquinonnates in organic solvents" & Fac. Nat. Sci. Komensky Univ. Bratislava, Czech. Chem. Zvesti., 1974, 28(1)77-82 (Eng.) * Resume entier * | [ ] - GMELIN HANDBUCH DER ANORGANISCHEN CHEMIE, Springer Verlag, Berlin-Heidelberg, New York 1976 8 Auflage, Teil B1, System No. 39page 134. * 4e alinea * |