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EP0070235
European procedure
Extract from the Register of European Patents
EP About this file: EP0070235
| EP0070235 - Method of making aluminium alkyls [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.05.1986 Database last updated on 13.11.2024 | Most recent event Tooltip | 26.04.2002 | Lapse of the patent in a contracting state New state(s): FR | published on 12.06.2002 [2002/24] | Applicant(s) | For all designated states ETHYL CORPORATION 330 South Fourth Street P.O. Box 2189 Richmond Virginia 23219 / US | [N/P] |
| Former [1983/03] | For all designated states ETHYL CORPORATION 330 South Fourth Street P.O. Box 2189 Richmond Virginia 23219 / US | Inventor(s) | 01 /
Diefenbach, Steven P. 1457 Bullrush Drive Baton Rouge Louisiana 70810 / US | [1983/03] | Representative(s) | Santarelli Tour Trinity 1 bis Esplanade de la Défense 92035 Paris La Défense Cedex / FR | [N/P] |
| Former [1984/34] | Rinuy, Santarelli 14, avenue de la Grande Armée F-75017 Paris / FR | ||
| Former [1983/03] | Rinuy, Guy Cabinet Rinuy et Santarelli 14, Avenue de la Grande Armée F-75017 Paris / FR | Application number, filing date | 82401284.3 | 07.07.1982 | [1983/03] | Priority number, date | US19810282493 | 13.07.1981 Original published format: US 282493 | [1983/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0070235 | Date: | 19.01.1983 | Language: | EN | [1983/03] | Type: | B1 Patent specification | No.: | EP0070235 | Date: | 03.07.1985 | Language: | EN | [1985/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.11.1982 | Classification | IPC: | C07F5/06 | [1983/03] | CPC: |
C07F5/062 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1983/03] | Title | German: | Verfahren zur Herstellung von Aluminiumalkylen | [1983/03] | English: | Method of making aluminium alkyls | [1983/03] | French: | Procédé de préparation d'aluminium-alkyls | [1983/03] | Examination procedure | 10.02.1983 | Examination requested [1983/16] | 20.10.1983 | Despatch of a communication from the examining division (Time limit: M06) | 25.04.1984 | Reply to a communication from the examining division | 13.07.1984 | Despatch of communication of intention to grant (Approval: ) | 28.11.1984 | Fee for grant paid | 28.11.1984 | Fee for publishing/printing paid | 05.12.1984 | Communication of intention to grant the patent | Opposition(s) | 04.04.1986 | No opposition filed within time limit [1986/27] | Fees paid | Renewal fee | 07.06.1984 | 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. | Lapses during opposition Tooltip | FR | 03.07.1985 | NL | 03.07.1985 | [2002/24] |
| Former [1986/31] | NL | 03.07.1985 | Documents cited: | Search | [A]FR2143859 (SCHERING AG); | [AD]US2954389 (NOBIS JOHN F, et al); | [AD]US4118409 (EIDT SCOTT H, et al) |