EP0275774 - Process for preparing chromium-aluminium agglomerates for adding chromium to a melt of aluminium [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.04.1992 Database last updated on 31.08.2024 | Most recent event Tooltip | 11.12.1999 | Lapse of the patent in a contracting state New state(s): GR | published on 26.01.2000 [2000/04] | Applicant(s) | For all designated states Delachaux S.A. 119, Avenue Louis Roche F-92231 GennevilliersCédex / FR | [1988/30] | Inventor(s) | 01 /
Defrance, Alain 6, Rue de la Garenne F-78350 Les Loges en Josas / FR | [1991/26] |
Former [1988/30] | 01 /
Defrance, Alain 6, rue de la Garenne F-78350 Les Loges en Josas / FR | Representative(s) | Martin, Jean-Jacques, et al Cabinet Régimbeau 20, rue de Chazelles 75847 Paris Cedex 17 / FR | [N/P] |
Former [1988/30] | Martin, Jean-Jacques, et al Cabinet REGIMBEAU 26, Avenue Kléber F-75116 Paris / FR | Application number, filing date | 87402937.4 | 21.12.1987 | [1988/30] | Priority number, date | FR19860017981 | 22.12.1986 Original published format: FR 8617981 | [1988/30] | Filing language | FR | Procedural language | FR | Publication | Type: | A2 Application without search report | No.: | EP0275774 | Date: | 27.07.1988 | Language: | FR | [1988/30] | Type: | A3 Search report | No.: | EP0275774 | Date: | 03.08.1988 | Language: | FR | [1988/31] | Type: | B1 Patent specification | No.: | EP0275774 | Date: | 26.06.1991 | Language: | FR | [1991/26] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.06.1988 | Classification | IPC: | C22C1/03, B22F1/00 | [1988/30] | CPC: |
C22C1/03 (EP,US);
B22F1/00 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, GR, IT, LI, LU, NL, SE [1988/30] | Title | German: | Verfahren zur Herstellung von Chrom-Aluminium-Kügelchen als Chrom-Zusätze zur Aluminium-Schmelze | [1988/30] | English: | Process for preparing chromium-aluminium agglomerates for adding chromium to a melt of aluminium | [1988/30] | French: | Procédé de réalisation de boulets chrome-aluminium pour l'ajout de chrome dans des bains d'aluminium en fusion | [1988/30] | Examination procedure | 02.01.1989 | Examination requested [1989/10] | 24.07.1990 | Despatch of communication of intention to grant (Approval: Yes) | 23.11.1990 | Communication of intention to grant the patent | 11.02.1991 | Fee for grant paid | 11.02.1991 | Fee for publishing/printing paid | Opposition(s) | 27.03.1992 | No opposition filed within time limit [1992/25] | Fees paid | Renewal fee | 27.11.1989 | Renewal fee patent year 03 | 19.11.1990 | Renewal fee patent year 04 |
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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 | AT | 26.06.1991 | GR | 26.06.1991 | NL | 26.06.1991 | SE | 26.06.1991 | [2000/04] |
Former [1992/15] | AT | 26.06.1991 | |
NL | 26.06.1991 | ||
SE | 26.06.1991 | ||
Former [1992/09] | NL | 26.06.1991 | |
SE | 26.06.1991 | ||
Former [1992/03] | SE | 26.06.1991 | Documents cited: | Search | [YD]US3592637 (BROWN CHARLES M, et al); | [Y]US4104059 (PERFECT FREDERICK H); | [Y]WO8400050 (PECHINEY ALUMINIUM [FR]); | [Y]EP0102892 (DELACHAUX C [FR]); | [XP]EP0229499 (INCO ALLOYS INT [US]) |