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EP0430055
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EP About this file: EP0430055
| EP0430055 - 2-tert.-butyl-p-benzoquinone-tetraalkyl-ketals and their preparation [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 20.08.1991 Database last updated on 18.11.2024 | Most recent event Tooltip | 20.08.1991 | Change - withdrawal | published on 09.10.1991 [1991/41] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1991/23] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Hermeling, Dieter, Dr. Zum Ordenswald 73 f W-6730 Neustadt / DE | 02 /
Hickmann, Eckhard, Dr. Kantstrasse 23 W-6701 Dannstadt-Schauernheim / DE | 03 /
Koehler, Ulrich, Dr. Werderstrasse 48 W-6900 Heidelberg / DE | [1991/23] | Application number, filing date | 90122258.8 | 22.11.1990 | [1991/23] | Priority number, date | DE19893939285 | 28.11.1989 Original published format: DE 3939285 | [1991/23] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0430055 | Date: | 05.06.1991 | Language: | DE | [1991/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.03.1991 | Classification | IPC: | C07C43/305, C25B3/02 | [1991/23] | CPC: |
C07C43/305 (EP);
C25B3/23 (EP)
| Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1991/23] | Title | German: | 2-tert.-Butyl-p-benzochinontetraalkylketale und ihre Herstellung | [1991/23] | English: | 2-tert.-butyl-p-benzoquinone-tetraalkyl-ketals and their preparation | [1991/23] | French: | Cétals tetraalkyliques de 2-tert.-butyle-p-benzoquinone et leur préparation | [1991/23] | File destroyed: | 02.03.1998 | Examination procedure | 27.12.1990 | Examination requested [1991/23] | 01.08.1991 | Application withdrawn by applicant [1991/41] |
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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 | [A]FR2295138 (HOECHST AG [DE]); | [A]EP0252284 (BASF AG [DE]) | [A] - JOURNAL OF THE CHEMICAL SOCIETY, PERKIN TRANSACTIONS I, Nr. 7, 1978, Seiten 708-715; A. NILSSON et al.: "Anodic functionalisation in synthesis. Part 1. Methoxylation of methyl-substituted benzene and anisole derivatives, and the synthesis of aromatic aldehydes by anodic oxidation" |