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EP0396388
European procedure
Extract from the Register of European Patents
EP About this file: EP0396388
| EP0396388 - Production of aluminum grain refiner [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.05.1996 Database last updated on 18.11.2024 | Most recent event Tooltip | 17.05.1996 | No opposition filed within time limit | published on 03.07.1996 [1996/27] | Applicant(s) | For all designated states ALCAN INTERNATIONAL LIMITED 1188 Sherbrooke Street West Montreal Quebec H3A 3G2 / CA | [N/P] |
| Former [1990/45] | For all designated states ALCAN INTERNATIONAL LIMITED 1188 Sherbrooke Street West Montreal Quebec H3A 3G2 / CA | Inventor(s) | 01 /
Dewing, Ernest, W. 648 Pimlico Place Kingston, Ontario K7M 5T8 / CA | 02 /
Keeley, Stephen H. 19 MacPherson Avenue, Unit 39 Kingston, Ontario K7M 6W4 / CA | 03 /
Sulzer, John 62 Grosvenor Court Kingston, Ontario K7K 5T8 / CA | 04 /
Bamji, Pervez J. 212 Fairway Hill Crescent Kingston, Ontario K7M 2B4 / CA | [1990/45] | Representative(s) | Wilkinson, Stephen John, et al Stevens, Hewlett & Perkins 1 St. Augustine's Place Bristol BS1 4UD / GB | [N/P] |
| Former [1990/45] | Wilkinson, Stephen John, et al Stevens, Hewlett & Perkins 1 St. Augustine's Place Bristol BS1 4UD / GB | Application number, filing date | 90304735.5 | 01.05.1990 | [1990/45] | Priority number, date | CA19890598584 | 03.05.1989 Original published format: CA 598584 | [1990/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0396388 | Date: | 07.11.1990 | Language: | EN | [1990/45] | Type: | A3 Search report | No.: | EP0396388 | Date: | 27.03.1991 | Language: | EN | [1991/13] | Type: | B1 Patent specification | No.: | EP0396388 | Date: | 05.07.1995 | Language: | EN | [1995/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.02.1991 | Classification | IPC: | C22C1/02, C22C21/00 | [1990/45] | CPC: |
C22C1/026 (EP,US)
| Designated contracting states | CH, DE, ES, FR, GB, LI, NL [1990/45] | Title | German: | Verfahren zur Herstellung einer Aluminium-Kornverfeinerer-Vorlegierung | [1990/45] | English: | Production of aluminum grain refiner | [1990/45] | French: | Procédé de préparation d'alliage mère à base d'aluminium destiné à l'affinage du grain | [1990/45] | Examination procedure | 23.09.1991 | Examination requested [1991/47] | 06.08.1993 | Despatch of a communication from the examining division (Time limit: M04) | 06.12.1993 | Reply to a communication from the examining division | 17.01.1994 | Despatch of a communication from the examining division (Time limit: M04) | 16.05.1994 | Reply to a communication from the examining division | 13.06.1994 | Despatch of communication of intention to grant (Approval: No) | 21.10.1994 | Despatch of communication of intention to grant (Approval: later approval) | 08.11.1994 | Communication of intention to grant the patent | 12.01.1995 | Fee for grant paid | 12.01.1995 | Fee for publishing/printing paid | Opposition(s) | 10.04.1996 | No opposition filed within time limit [1996/27] | Fees paid | Renewal fee | 15.04.1992 | Renewal fee patent year 03 | 17.04.1993 | Renewal fee patent year 04 | 18.04.1994 | Renewal fee patent year 05 | 26.04.1995 | Renewal fee patent year 06 |
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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 | [A]DD93863 ; | [X]GB1268812 (ANGLO METALLURG LTD [GB]); | [A]DE2217897 ; | [A]US3857705 (MIYASAKA Y, et al); | [A]DE3109025 (METALLGESELLSCHAFT AG [DE]) |