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EP0554140
European procedure
Extract from the Register of European Patents
EP About this file: EP0554140
| EP0554140 - Process for production of MgCl2, MgO with small particle size distribution and its use as catalyst support for the polymerisation of olefins [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.07.1996 Database last updated on 16.07.2024 | Most recent event Tooltip | 26.07.1996 | No opposition filed within time limit | published on 11.09.1996 [1996/37] | 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 [1993/31] | For all designated states ELF ATOCHEM S.A. 4 & 8, Cours Michelet La Défense 10 F-92800 Puteaux / FR | Inventor(s) | 01 /
Spitz, Roger 44 rue des Fleurs, Serezin F-69369 St. Symphorien d'Ozon / FR | 02 /
Patin, Maryse Rue de la Cité, 12 B-4000 Liège / BE | 03 /
Brun, Claude Clos St. Pierre F-64320 Idron / FR | [1993/31] | Application number, filing date | 93400119.9 | 19.01.1993 | [1993/31] | Priority number, date | FR19920000820 | 27.01.1992 Original published format: FR 9200820 | [1993/31] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0554140 | Date: | 04.08.1993 | Language: | FR | [1993/31] | Type: | B1 Patent specification | No.: | EP0554140 | Date: | 20.09.1995 | Language: | FR | [1995/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.03.1993 | Classification | IPC: | C01F5/30, C01F5/00, C08F10/00 | [1993/31] | CPC: |
C08F10/00 (EP,US);
C01F5/00 (EP,US);
C01F5/30 (EP,US);
C01P2004/54 (EP,US);
C01P2004/61 (EP,US)
| C-Set: |
C08F10/00, C08F4/022 (EP,US);
C08F10/00, C08F4/6543 (US,EP) | Designated contracting states | AT, BE, DE, ES, FR, GB, IT, NL, PT, SE [1993/31] | Title | German: | Verfahren zur Herstellung von MgCl2, MgO mit geringfügiger Teilchengrösse-Verteilung und deren Benutzung als Katalysatorträger zur Polymerisation von Olefinen | [1993/31] | English: | Process for production of MgCl2, MgO with small particle size distribution and its use as catalyst support for the polymerisation of olefins | [1993/31] | French: | Procédé de fabrication de MgC12, MgO de répartition granulométrique étroite, application de ce composé comme support de composante catalytique de polymérisation des oléfines | [1993/31] | Examination procedure | 22.01.1993 | Examination requested [1993/31] | 21.02.1994 | Despatch of a communication from the examining division (Time limit: M04) | 25.05.1994 | Reply to a communication from the examining division | 24.01.1995 | Despatch of communication of intention to grant (Approval: Yes) | 10.03.1995 | Communication of intention to grant the patent | 18.05.1995 | Fee for grant paid | 18.05.1995 | Fee for publishing/printing paid | Opposition(s) | 21.06.1996 | No opposition filed within time limit [1996/37] | Fees paid | Renewal fee | 10.01.1995 | Renewal fee patent year 03 |
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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 | [YD]GB1559172 (BRITISH PETROLEUM CO); | [Y]WO9009402 (NESTE OY [FI]); | [A]EP0449673 (ATOCHEM ELF SA [FR]) |