-
EP0177671
European procedure
Extract from the Register of European Patents
EP About this file: EP0177671
| EP0177671 - Process for the preparation of sodium polysulphides from the elements sodium and sulphur [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.04.1989 Database last updated on 22.05.2024 | Most recent event Tooltip | 25.04.1989 | No opposition filed within time limit | published on 14.06.1989 [1989/24] | Applicant(s) | For all designated states Degussa GmbH Weissfrauenstrasse 9 60311 Frankfurt / DE | [N/P] |
| Former [1986/16] | For all designated states Degussa Aktiengesellschaft Weissfrauenstrasse 9 D-60311 Frankfurt / DE | Inventor(s) | 01 /
Bittner, Friedrich, Dr. Mozartstrasse 18 D-6232 Bad Soden / DE | 02 /
Hinrichs, Walter, Dr. Alte Bohle 15 D-5040 Brühl / DE | 03 /
Hovestadt, Herbert, Dr. Kölner Ring 138 D-5042 Erftstadt / DE | 04 /
Lange, Ludwig, Dr. Mühlenbach 40 D-5040 Brühl / DE | 05 /
Splett, Erich Im Bachholz 4 D-5030 Hürth-Berrenrath / DE | [1986/16] | Application number, filing date | 85106557.3 | 29.05.1985 | [1986/16] | Priority number, date | DE19843436698 | 06.10.1984 Original published format: DE 3436698 | [1986/16] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0177671 | Date: | 16.04.1986 | Language: | DE | [1986/16] | Type: | A3 Search report | No.: | EP0177671 | Date: | 07.01.1987 | Language: | DE | [1987/02] | Type: | B1 Patent specification | No.: | EP0177671 | Date: | 29.06.1988 | Language: | DE | [1988/26] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.11.1986 | Classification | IPC: | C01B17/30 | [1986/16] | CPC: |
C01B17/34 (EP,US);
C01P2006/80 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/16] | Title | German: | Verfahren zur Herstellung von Natriumpolysulfiden aus den Elementen Natrium und Schwefel | [1986/16] | English: | Process for the preparation of sodium polysulphides from the elements sodium and sulphur | [1986/16] | French: | Procédé de préparation de polysulfures de sodium à partir des éléments sodium et soufre | [1986/16] | Examination procedure | 29.05.1985 | Examination requested [1986/16] | 29.09.1987 | Despatch of a communication from the examining division (Time limit: M04) | 31.10.1987 | Reply to a communication from the examining division | 30.11.1987 | Despatch of communication of intention to grant (Approval: Yes) | 10.12.1987 | Communication of intention to grant the patent | 02.03.1988 | Fee for grant paid | 02.03.1988 | Fee for publishing/printing paid | Opposition(s) | 30.03.1989 | No opposition filed within time limit [1989/24] | Fees paid | Renewal fee | 13.04.1987 | Renewal fee patent year 03 | 22.04.1988 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | [A]DE590278 (IG FARBENINDUSTRIE AG); | [A]DE663710 (LUIGI ACHILLE DR) | [A] - SYNTHESIS AND REACTIVITY IN INORGANIC AND METAL ORGANIC CHEMISTRY, Band 14, Nr. 7, 1984, Seiten 945-951, New York, US; A.P. BROWN et al.: "The direct synthesis of sodium polysulfides from sodium and sulfur" |