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EP0236839
European procedure
Extract from the Register of European Patents
EP About this file: EP0236839
| EP0236839 - Process for working up aqueous amine solutions [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.08.1991 Database last updated on 14.06.2024 | Most recent event Tooltip | 24.08.1991 | No opposition filed within time limit | published on 16.10.1991 [1991/42] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1987/38] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Beckhaus, Heiko, Dr. Schulstrasse 20 D-2212 Brunsbüttel / DE | 02 /
Witt, Harro, Dr. Möhlenbag 2 D-2224 Kuden / DE | 03 /
Becher, Dieter, Dr. Moltkestrasse 8 D-4047 Dormagen / DE | 04 /
Dallmeyer, Hermann, Dr. Im Alten Driesch 22 D-5068 Odenthal / DE | 05 /
Zarnack, Uwe J., Dr. Ulitzhörn 2 D-2212 Brunsbüttel / DE | [1987/38] | Application number, filing date | 87102582.1 | 24.02.1987 | [1987/38] | Priority number, date | DE19863607665 | 08.03.1986 Original published format: DE 3607665 | [1987/38] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0236839 | Date: | 16.09.1987 | Language: | DE | [1987/38] | Type: | A3 Search report | No.: | EP0236839 | Date: | 09.11.1988 | Language: | DE | [1988/45] | Type: | B1 Patent specification | No.: | EP0236839 | Date: | 24.10.1990 | Language: | DE | [1990/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.09.1988 | Classification | IPC: | C07C209/82, // C07C209/32 | [1990/43] | CPC: |
C07C209/36 (EP,US);
Y10S203/08 (EP,US);
Y10S203/20 (EP,US)
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| Former IPC [1987/38] | C07C85/26, // C07C85/11 | Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1987/38] | Title | German: | Verfahren zur Aufarbeitung wässriger Aminlösungen | [1987/38] | English: | Process for working up aqueous amine solutions | [1987/38] | French: | Procédé de retraitement de solutions aqueuses d'amines | [1987/38] | Examination procedure | 24.02.1987 | Examination requested [1987/38] | 05.04.1990 | Despatch of communication of intention to grant (Approval: Yes) | 26.04.1990 | Communication of intention to grant the patent | 31.05.1990 | Fee for grant paid | 31.05.1990 | Fee for publishing/printing paid | Opposition(s) | 25.07.1991 | No opposition filed within time limit [1991/42] | Fees paid | Renewal fee | 23.01.1989 | Renewal fee patent year 03 | 13.01.1990 | Renewal fee patent year 04 |
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