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EP0031268
European procedure
Extract from the Register of European Patents
EP About this file: EP0031268
| EP0031268 - Process for polymerizing tetrafluoroethylene in aqueous dispersion [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.05.1985 Database last updated on 14.11.2024 | Most recent event Tooltip | 24.05.1985 | No opposition filed within time limit | published on 24.07.1985 [1985/30] | Applicant(s) | For all designated states ELF ATOCHEM S.A. 4/8, Cours Michelet, La Défense 10 92800 Puteaux Hauts-de-Seine / FR | [N/P] |
| Former [1984/31] | For all designated states ELF ATOCHEM S.A. 4 & 8, Cours Michelet La Défense 10 F-92800 Puteaux / FR | ||
| Former [1984/14] | For all designated states Société ATOCHEM 12-16, Allée des Vosges F-92400 Courbevoie / FR | ||
| Former [1981/26] | 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 /
Herisson, Jean-Louis Georges Les Hauts de Brignais No 5 Chemin de Bonneton F-69530 Brignais / FR | [1981/26] | 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 [1984/42] | Rochet, Michel, et al ELF ATOCHEM S.A. Département Propriété Industrielle 4-8, Cours Michelet La Défense 10 - Cedex 42 F-92091 Paris-La-Défense / FR | ||
| Former [1984/14] | Rochet, Michel ATOCHEM Département Propriété Industrielle F-92091 Paris la Défense 10 Cédex 42 / FR | ||
| Former [1981/26] | Foiret, Claude P C U K Produits Chimiques Ugine Kuhlmann Service Propriété Industrielle Tour Manhattan - Cedex 21 F-92087 Paris la Défense 2 / FR | Application number, filing date | 80401721.8 | 02.12.1980 | [1981/26] | Priority number, date | FR19790031395 | 21.12.1979 Original published format: FR 7931395 | [1981/26] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0031268 | Date: | 01.07.1981 | Language: | FR | [1981/26] | Type: | B1 Patent specification | No.: | EP0031268 | Date: | 25.07.1984 | Language: | FR | [1984/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.04.1981 | Classification | IPC: | C08F14/26, C08F2/24 | [1981/26] | CPC: |
C08F14/26 (EP,US)
| C-Set: |
C08F14/26, C08F2/16 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, LU, NL [1981/26] | Title | German: | Verfahren zur Polymerisation von Tetrafluoräthylen in wässrigen Dispersionen | [1981/26] | English: | Process for polymerizing tetrafluoroethylene in aqueous dispersion | [1981/26] | French: | Procédé de polymérisation du tétrafluoréthylène en dispersion aqueuse | [1981/26] | Examination procedure | 05.12.1980 | Examination requested [1981/26] | 11.11.1982 | Despatch of a communication from the examining division (Time limit: M04) | 03.02.1983 | Reply to a communication from the examining division | 07.10.1983 | Despatch of communication of intention to grant (Approval: ) | 28.11.1983 | Communication of intention to grant the patent | 02.02.1984 | Fee for grant paid | 02.02.1984 | Fee for publishing/printing paid | Opposition(s) | 26.04.1985 | No opposition filed within time limit [1985/30] | Fees paid | Renewal fee | 02.12.1982 | Renewal fee patent year 03 | 08.10.1983 | Renewal fee patent year 04 |
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