-
EP0253091
European procedure
Extract from the Register of European Patents
EP About this file: EP0253091
| EP0253091 - Process for the separation of low molecular weight alcohols from aqueous solutions [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.08.1991 Database last updated on 30.04.2025 | Most recent event Tooltip | 03.08.1991 | No opposition filed within time limit | published on 25.09.1991 [1991/39] | Applicant(s) | For all designated states HÜLS AKTIENGESELLSCHAFT 45764 Marl / DE | [N/P] |
| Former [1988/03] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | Inventor(s) | 01 /
Sridhar, Srinivasan, Dr. Lehmbecker Pfad 52 D-4370 Marl / DE | [1988/03] | Application number, filing date | 87106975.3 | 14.05.1987 | [1988/03] | Priority number, date | DE19863623827 | 15.07.1986 Original published format: DE 3623827 | [1988/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0253091 | Date: | 20.01.1988 | Language: | DE | [1988/03] | Type: | A3 Search report | No.: | EP0253091 | Date: | 06.07.1988 | Language: | DE | [1988/27] | Type: | B1 Patent specification | No.: | EP0253091 | Date: | 03.10.1990 | Language: | DE | [1990/40] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.05.1988 | Classification | IPC: | C07C31/20, C07C29/76, C07C29/86, C07C29/80, C07C31/08 | [1988/03] | CPC: |
C07C29/76 (EP);
C07C29/86 (EP)
| C-Set: |
C07C29/76, C07C31/08 (EP);
C07C29/76, C07C31/207 (EP);
C07C29/86, C07C31/08 (EP);
C07C29/86, C07C31/207 (EP) | Designated contracting states | CH, DE, FR, GB, IT, LI, NL [1988/03] | Title | German: | Verfahren zum Abtrennen von niedermolekularen Alkoholen aus wässrigen Lösungen | [1988/03] | English: | Process for the separation of low molecular weight alcohols from aqueous solutions | [1988/03] | French: | Procédé de séparation d'alcools à bas poids moléculaires de solution aqueuse | [1988/03] | Examination procedure | 23.06.1988 | Examination requested [1988/34] | 22.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 04.04.1990 | Communication of intention to grant the patent | 26.05.1990 | Fee for grant paid | 26.05.1990 | Fee for publishing/printing paid | Opposition(s) | 04.07.1991 | No opposition filed within time limit [1991/39] | Fees paid | Renewal fee | 19.04.1989 | Renewal fee patent year 03 | 10.04.1990 | 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 | [AD]DE3112603 (BECKER GMBH & CO KG APPARATEBA [DE], et al); | [A]DE3037736 (TUSEL GUENTER, et al) |