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EP0084674
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EP About this file: EP0084674
| EP0084674 - Process for the purification of residual sulphuric acid [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 11.10.1983 Database last updated on 15.06.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1983/31] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | Inventor(s) | 01 /
Medic, Nikolaj Johann-Strauss-Strasse 18 D-6233 Kelkheim (Taunus) / DE | 02 /
Gräser, Reinhold, Dr. Loreleistrasse 81 D-6230 Frankfurt am Main 80 / DE | 03 /
Russow, Jürgen, Dr. Am Schieferberg 45 D-6233 Kelkheim (Taunus) / DE | [1983/31] | Application number, filing date | 82111962.5 | 23.12.1982 | [1983/31] | Priority number, date | DE19813151691 | 29.12.1981 Original published format: DE 3151691 | [1983/31] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0084674 | Date: | 03.08.1983 | Language: | DE | [1983/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.05.1983 | Classification | IPC: | C01B17/90 | [1983/31] | CPC: |
C01B17/905 (EP);
C01B17/90 (EP)
| Designated contracting states | DE, GB, NL [1983/31] | Title | German: | Verfahren zur Reinigung von Abfallschwefelsäure | [1983/31] | English: | Process for the purification of residual sulphuric acid | [1983/31] | French: | Procédé de purification d'acide sulfurique résiduaire | [1983/31] | File destroyed: | 18.06.1989 | Examination procedure | 29.09.1983 | Application withdrawn by applicant [1983/50] |
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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 | [AD]DE2503610 ; | [A]FR1223678 ; | [A]DE1667692 ; | [A]FR703306 ; | [A]FR922519 ; | [AD]DE2658132 |