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EP0003713
European procedure
Extract from the Register of European Patents
EP About this file: EP0003713
| EP0003713 - Process for the thermic decomposition of aluminium chloride hexahydrate by indirect heating [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 07.04.2026 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states ALUMINIUM PECHINEY 28, rue de Bonnel 69433 Lyon Cedex 3 / FR | [N/P] | Inventor(s) | 01 /
Reh, Lothar Pommernstrasse 3 D-6000 Bergen-Enkheim / DE | 02 /
Plass, Ludolf Parkstrasse 11 D-6242 Kronberg / DE | 03 /
Marchessaux, Philippe Chemin des Trois Moulins F-13100 Aix en Provence / FR | 04 /
Sood, Raman Rural Route Number 8 Kingston Ontario K7L 4V4 / CA | [N/P] | Representative(s) | Gaucherand, Michel, et al PECHINEY UGINE KUHLMANN 28 rue de Bonnel F-69433 Lyon Cedex 3 / FR | [N/P] |
| Former [1982/43] | Gaucherand, Michel, et al PECHINEY UGINE KUHLMANN 28 rue de Bonnel F-69433 Lyon Cedex 3 / FR | Application number, filing date | 79420009.7 | 06.02.1979 | Priority number, date | DE19782805906 | 13.02.1978 Original published format: DE 2805906 | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0003713 | Date: | 22.08.1979 | Language: | FR | [N/P] | Type: | B1 Patent specification | No.: | EP0003713 | Date: | 27.10.1982 | Language: | FR | [1982/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.06.1979 | Classification | IPC: | C01F7/30, B01J8/24 | [1982/43] | CPC: |
C01F7/306 (EP,US);
B01J8/24 (EP,US);
Y10S423/16 (EP,US)
| Designated contracting states | GB, NL, SE | Title | German: | Verfahren zur thermischen Spaltung von Aluminiumchlorid- Hexahydrat durch indirekte Erhitzung | English: | Process for the thermic decomposition of aluminium chloride hexahydrate by indirect heating | French: | Procédé de décomposition thermique du chlorure d'aluminium hexahydraté par chauffage indirect | File destroyed: | 15.01.2000 | Examination procedure | 23.11.1979 | Examination requested [1980/04] | 16.09.1980 | Despatch of a communication from the examining division (Time limit: {0}) | 23.04.1981 | Despatch of a communication from the examining division (Time limit: M04) | 25.08.1981 | Reply to a communication from the examining division | 26.10.1981 | Despatch of a communication from the examining division (Time limit: M02) | 28.12.1981 | Reply to a communication from the examining division | 14.04.1982 | Despatch of communication of intention to grant (Approval: ) | 05.05.1982 | Communication of intention to grant the patent | 03.06.1982 | Fee for grant paid | 03.06.1982 | Fee for publishing/printing paid | Opposition(s) | 28.07.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 09.01.1981 | Renewal fee patent year 03 | 28.12.1981 | Renewal fee patent year 04 |
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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 | DE2629866 (YISSUM RES DEV CO et al.) | AT315207 (RUTHNER IND PLANUNGS AG et al.) | DE2261083 (METALLGESELLSCHAFT AG et al.) | FR2313317 (PECHINEY ALUMINIUM et al.) | FR2362081 (PECHINEY ALUMINIUM et al.) | FR2362082 (PECHINEY ALUMINIUM et al.) | DE1667195 (METALLGESELLSCHAFT AG et al.) | DE1767628 (METALLGESELLSCHAFT AG et al.) | FR2313120 (METALLGESELLSCHAFT AG et al.) |