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EP0347351
European procedure
Extract from the Register of European Patents
EP About this file: EP0347351
| EP0347351 - Process for treating molten steels by the injection of gas through the bottom of the ladle [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.06.1993 Database last updated on 11.04.2026 | Most recent event Tooltip | 03.06.1993 | No opposition filed within time limit | published on 21.07.1993 [1993/29] | Applicant(s) | For all designated states VALLOUREC INDUSTRIES 130 Rue de Silly F-92100 Boulogne-Billancourt / FR | For all designated states SAVOIE REFRACTAIRES 10 rue de l'Industrie F-69631 Venissieux / FR | [1992/01] |
| Former [1991/10] | For all designated states VALLOUREC INDUSTRIES 130 Rue de Silly F-92100 Boulogne-Billancourt / FR | ||
| For all designated states SAVOIE REFRACTAIRES 10 rue de l'industrie B.P. 1 F-69631 Venissieux Cédex / FR | |||
| Former [1989/51] | For all designated states VALLOUREC INDUSTRIES 130, rue de Silly F-92100 Boulogne-Billancourt / FR | ||
| For all designated states SAVOIE REFRACTAIRES 10 rue de l'industrie B.P. 1 F-69631 Venissieux Cédex / FR | Inventor(s) | 01 /
Naturel, Christian 3 Chemin de la Plaine d'Elite F-69530 Brignais / FR | 02 /
Barthélémy, Philippe 10, rue Georges Papillon F-92310 Sèvres / FR | [1989/51] | Representative(s) | Desolneux, Jean-Paul Charles Setval Division Propriété Industrielle 130, rue de Silly 92100 Boulogne-Billancourt / FR | [N/P] |
| Former [1989/51] | Desolneux, Jean-Paul Charles Setval Division Propriété Industrielle 130, rue de Silly F-92100 Boulogne-Billancourt / FR | Application number, filing date | 89420220.9 | 15.06.1989 | [1989/51] | Priority number, date | FR19880008479 | 17.06.1988 Original published format: FR 8808479 | [1989/51] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0347351 | Date: | 20.12.1989 | Language: | FR | [1989/51] | Type: | B1 Patent specification | No.: | EP0347351 | Date: | 29.07.1992 | Language: | FR | [1992/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.10.1989 | Classification | IPC: | C21C7/072, B22D1/00, C22B9/05 | [1989/51] | CPC: |
C22B9/05 (EP,US);
B22D1/00 (EP,US);
C21C7/072 (EP,US)
| Designated contracting states | AT, BE, DE, ES, GB, IT, LU, NL, SE [1989/51] | Title | German: | Verfahren zur Behandlung von flüssigen Stählen durch Einblasen von Gas durch den Pfannenboden | [1989/51] | English: | Process for treating molten steels by the injection of gas through the bottom of the ladle | [1989/51] | French: | Procédé de traitement des aciers liquides par injection de gaz à travers le fond de poche | [1989/51] | Examination procedure | 12.01.1990 | Examination requested [1990/11] | 18.07.1991 | Despatch of communication of intention to grant (Approval: No) | 25.11.1991 | Despatch of communication of intention to grant (Approval: later approval) | 05.12.1991 | Communication of intention to grant the patent | 22.02.1992 | Fee for grant paid | 22.02.1992 | Fee for publishing/printing paid | Opposition(s) | 30.04.1993 | No opposition filed within time limit [1993/29] | Fees paid | Renewal fee | 15.05.1991 | Renewal fee patent year 03 | 11.05.1992 | Renewal fee patent year 04 |
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