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EP0097259
European procedure
Extract from the Register of European Patents
EP About this file: EP0097259
| EP0097259 - Process for saving energy during titanium dioxide production [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.08.1986 Database last updated on 24.08.2024 | Most recent event Tooltip | 26.08.1986 | No opposition filed within time limit | published on 15.10.1986 [1986/42] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1984/01] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Gerken, Rudolf, Dr. Rather Strasse 79 D-4150 Krefeld / DE | 02 /
Lailach, Günter, Dr. Bodelschwinghstrasse 23 D-4150 Krefeld / DE | 03 /
Schultz, Karl-Heinz, Dr. Deswatinesstrasse 61 D-4150 Krefeld / DE | [1984/01] | Application number, filing date | 83105206.3 | 26.05.1983 | [1984/01] | Priority number, date | DE19823221477 | 07.06.1982 Original published format: DE 3221477 | DE19823230755 | 18.08.1982 Original published format: DE 3230755 | [1984/01] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0097259 | Date: | 04.01.1984 | Language: | DE | [1984/01] | Type: | B1 Patent specification | No.: | EP0097259 | Date: | 30.10.1985 | Language: | DE | [1985/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.10.1983 | Classification | IPC: | C01G23/08, C01B17/88, F27D17/00 | [1984/01] | CPC: |
C01G23/0532 (EP)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1984/01] | Title | German: | Verfahren zur Energieeinsparung bei der Ti02-Herstellung | [1984/01] | English: | Process for saving energy during titanium dioxide production | [1984/01] | French: | Procédé pour la production de dioxyde de titane en économisant l'énergie | [1984/01] | Examination procedure | 26.05.1983 | Examination requested [1984/01] | 30.10.1984 | Despatch of a communication from the examining division (Time limit: M04) | 05.12.1984 | Reply to a communication from the examining division | 31.01.1985 | Despatch of communication of intention to grant (Approval: ) | 17.04.1985 | Communication of intention to grant the patent | 24.04.1985 | Fee for grant paid | 24.04.1985 | Fee for publishing/printing paid | Opposition(s) | 31.07.1986 | No opposition filed within time limit [1986/42] | Fees paid | Renewal fee | 24.04.1985 | 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. | Documents cited: | Search | [X]US3105744 (LUETHGE JOHN A); | [A]US3211538 (GROSS JAMES A, et al); | [A]US3848860 (MAEDA H, et al); | [A]DE871599 (METALLGESELLSCHAFT AG); | [A]DE1619881 (HITACHI LTD) |