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EP0211983
European procedure
Extract from the Register of European Patents
EP About this file: EP0211983
| EP0211983 - Crystalline 3-layer lithium aluminates [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.05.1991 Database last updated on 28.03.2026 | Most recent event Tooltip | 09.05.1991 | No opposition filed within time limit | published on 26.06.1991 [1991/26] | Applicant(s) | For all designated states The Dow Chemical Company 2020 Dow Center Midland, Michigan 48674 / US | [N/P] |
| Former [1987/10] | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Abbott Road P.O. Box 1967 Midland Michigan 48640-1967 / US | Inventor(s) | 01 /
Burba III, John Leslie 168 Dallas Angleton Texas 77551 / US | [1987/10] | Representative(s) | Casalonga, Axel, et al Casalonga & Partners Bayerstrasse 73 80335 München / DE | [N/P] |
| Former [1987/10] | Casalonga, Axel, et al BUREAU D.A. CASALONGA - JOSSE Morassistrasse 8 D-80469 München / DE | Application number, filing date | 85110334.1 | 19.08.1985 | [1987/10] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0211983 | Date: | 04.03.1987 | Language: | EN | [1987/10] | Type: | B1 Patent specification | No.: | EP0211983 | Date: | 04.07.1990 | Language: | EN | [1990/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.05.1986 | Classification | IPC: | B01J47/00, B01J39/02 | [1987/10] | CPC: |
C01D15/00 (EP,US);
B01J39/17 (EP,US);
B01J41/10 (EP,US);
B01J47/018 (EP,US);
C01F7/043 (EP,US);
C01F7/78 (EP,US);
C01P2004/11 (EP,US)
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| Designated contracting states | DE, FR, GB [1987/10] | Title | German: | Kristalline 3-Schichten-Lithiumaluminate | [1987/10] | English: | Crystalline 3-layer lithium aluminates | [1987/10] | French: | Aluminates de lithium cristallins à 3 couches | [1987/10] | Examination procedure | 16.03.1987 | Examination requested [1987/20] | 01.02.1988 | Despatch of a communication from the examining division (Time limit: M08) | 01.09.1988 | Reply to a communication from the examining division | 13.02.1989 | Despatch of communication of intention to grant (Approval: Yes) | 13.06.1989 | Communication of intention to grant the patent | 01.09.1989 | Fee for grant paid | 01.09.1989 | Fee for publishing/printing paid | Opposition(s) | 05.04.1991 | No opposition filed within time limit [1991/26] | Fees paid | Renewal fee | 15.06.1987 | Renewal fee patent year 03 | 13.06.1988 | Renewal fee patent year 04 | 12.06.1989 | Renewal fee patent year 05 |
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