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EP0041440
European procedure
Extract from the Register of European Patents
EP About this file: EP0041440
| EP0041440 - Isomerisation of ortho- and para-homophenols or their ethers to the corresponding metabromophenols or ethers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 09.09.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states Société ATOCHEM 12-16, Allée des Vosges F-92400 Courbevoie / FR | [1984/14] |
| Former [1981/49] | For all designated states P C U K PRODUITS CHIMIQUES UGINE KUHLMANN Service Propriété Industrielle Tour Manhattan F-92087 Paris La Défense 2 Cédex 21 / FR | Inventor(s) | 01 /
Jouannetaud, Marie-Paule 8, Allée du Nivernais F-86000 Poitiers / FR | 02 /
Gesson, Jean-Pierre 8, rue Alexandre Dumas F-86000 Poitiers / FR | 03 /
Jacquesy, Jean-Claude 46, rue du Planty Bruxerolles F-86000 Poitiers / FR | [1981/49] | Representative(s) | Rochet, Michel, et al ELF ATOCHEM S.A. Département Propriété Industrielle 4-8, Cours Michelet La Défense 10 - Cedex 42 92091 Paris-La-Défense / FR | [N/P] |
| Former [2009/38] | Rochet, Michel, et al ELF ATOCHEM S.A. Département Propriété Industrielle 4-8 Cours Michelet La Défense 10 - Cedex 42 92091 Paris-La-Défense / FR | ||
| Former [1984/14] | Rochet, Michel, et al ATOCHEM Département Propriété Industrielle F-92091 Paris la Défense 10 Cédex 42 / FR | Application number, filing date | 81400834.8 | 26.05.1981 | [1981/49] | Priority number, date | FR19800012262 | 03.06.1980 Original published format: FR 8012262 | [1981/49] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0041440 | Date: | 09.12.1981 | Language: | FR | [1981/49] | Type: | B1 Patent specification | No.: | EP0041440 | Date: | 06.04.1983 | Language: | FR | [1983/14] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.09.1981 | Classification | IPC: | C07C41/32, C07C43/225, C07C37/00, C07C37/055, C07C39/27 | [1981/49] | CPC: |
C07C41/32 (EP,US);
C07C37/00 (EP,US)
| C-Set: |
C07C37/00, C07C39/27 (EP,US);
C07C41/32, C07C43/225 (US,EP) | Designated contracting states | BE, DE, FR, GB, IT, NL [1981/49] | Title | German: | Isomerisierung von ortho- und para-Bromphenolen oder ihren Äthern zu entsprechenden meta-Bromphenolen oder Äthern | [1981/49] | English: | Isomerisation of ortho- and para-homophenols or their ethers to the corresponding metabromophenols or ethers | [1981/49] | French: | Procédé d'isomérisation des ortho- et para-bromophénols ou de leurs éthers en métabromophénols et éthers correspondants | [1981/49] | Examination procedure | 30.05.1981 | Examination requested [1981/49] | 18.08.1982 | Despatch of communication of intention to grant (Approval: ) | 01.09.1982 | Communication of intention to grant the patent | 16.10.1982 | Fee for grant paid | 16.10.1982 | Fee for publishing/printing paid | Opposition(s) | 07.01.1984 | No opposition filed within time limit [ N /P ] |
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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 | [ ] - CHEMICAL ABSTRACTS, Vol. 91, 1979, ref. No. 55829m, page 608 Columbus Ohio (US) & Nouv. J. Chim. 1979, 3(4), 275-7 G.A. OLAH et al.: "Heterogeneous Catalysis by Solid Superacids. Part 13. Perfluorinated Resinsulfonic Acid (Nafion-H) Catalyzed inter- and Intramolecular Isomerization (Transbromination) of Bromoaromatic Compounds". * en entier * |