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EP0170040
European procedure
Extract from the Register of European Patents
EP About this file: EP0170040
| EP0170040 - Process and device for the continuous hydrothermal production of sodium silicate solutions [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.08.1989 Database last updated on 09.05.2025 | Most recent event Tooltip | 17.04.2015 | Change - lapse in a contracting state | published on 20.05.2015 [2015/21] | Applicant(s) | For all designated states Henkel Kommanditgesellschaft auf Aktien 40191 Düsseldorf / DE | [N/P] |
| Former [1986/06] | For all designated states Henkel Kommanditgesellschaft auf Aktien D-40191 Düsseldorf / DE | Inventor(s) | 01 /
Jeromin, Lutz, Dr. Am Bandsbusch 88 D-4010 Hilden / DE | 02 /
Krings, Heinrich Zum Stadion 52 D-4018 Langenfeld / DE | 03 /
Legel, Dieter, Dr. Ernst-Reuter-Weg 5 D-5657 Haan / DE | 04 /
Novotny, Rudolf, Dr. Am Rittersberg 14 D-4000 Düsseldorf 13 / DE | 05 /
Skrobek, Harald Senliserstrasse 38 D-4018 Langenfeld / DE | [1986/06] | Application number, filing date | 85107721.4 | 21.06.1985 | [1986/06] | Priority number, date | DE19843423945 | 29.06.1984 Original published format: DE 3423945 | [1986/06] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0170040 | Date: | 05.02.1986 | Language: | DE | [1986/06] | Type: | B1 Patent specification | No.: | EP0170040 | Date: | 26.10.1988 | Language: | DE | [1988/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.11.1985 | Classification | IPC: | C01B33/32, B01F5/02, B01J8/20 | [1986/06] | CPC: |
B01J8/20 (EP,US);
C01B33/32 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL [1986/06] | Title | German: | Verfahren und Vorrichtung zur kontinuierlichen hydrothermalen Herstellung von Natriumsilikatlösungen | [1986/06] | English: | Process and device for the continuous hydrothermal production of sodium silicate solutions | [1986/06] | French: | Procédé et dispositif pour la production hydrothermale en continu de solutions de silicate de sodium | [1986/06] | Examination procedure | 17.07.1986 | Examination requested [1986/38] | 29.07.1987 | Despatch of a communication from the examining division (Time limit: M04) | 13.11.1987 | Reply to a communication from the examining division | 28.12.1987 | Despatch of communication of intention to grant (Approval: Yes) | 06.05.1988 | Communication of intention to grant the patent | 04.08.1988 | Fee for grant paid | 04.08.1988 | Fee for publishing/printing paid | Opposition(s) | 27.07.1989 | No opposition filed within time limit [1989/41] | Fees paid | Renewal fee | 06.05.1987 | Renewal fee patent year 03 | 24.05.1988 | Renewal fee patent year 04 |
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| Former [1989/39] | BE | 30.06.1989 | Documents cited: | Search | [A]US1763845 (EDGERTON LLOYD B); | [A]GB461013 (ELECTRIC SMELTING AND ALUMINUM); | [A]FR2179573 (MADERN JEAN PIERRE [FR]); | [A]EP0033109 (HENKEL KGAA [DE]); | [A]EP0066214 (HENKEL KGAA [DE]); | [A]GB2119779 (UGINE KUHLMANN) |