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EP0373538
European procedure
Extract from the Register of European Patents
EP About this file: EP0373538
| EP0373538 - Process for the separation of alcohol/water mixtures [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.09.1994 Database last updated on 22.08.2024 | Most recent event Tooltip | 10.09.1994 | No opposition filed within time limit | published on 02.11.1994 [1994/44] | Applicant(s) | For all designated states Kali-Chemie Aktiengesellschaft Hans-Böckler-Allee 20 D-30173 Hannover / DE | [1990/25] | Inventor(s) | 01 /
Schwetje, Norbert Sögelerstrasse 76 D-3000 Hannover 72 / DE | 02 /
Neubüser, Elisabeth Im Sacke 4 D-3003 Ronnenberg 1 / DE | 03 /
Warmbold, Andreas Ernst Reuter Strasse 8 D-3163 Sehnde 1 / DE | [1990/25] | Representative(s) | Lauer, Dieter c/o Kali-Chemie Aktiengesellschaft Hans-Böckler-Allee 20 30173 Hannover / DE | [N/P] |
| Former [1990/25] | Lauer, Dieter, Dr. c/o Kali-Chemie Aktiengesellschaft Hans-Böckler-Allee 20 D-30173 Hannover / DE | Application number, filing date | 89122728.2 | 09.12.1989 | [1990/25] | Priority number, date | DE19883842299 | 16.12.1988 Original published format: DE 3842299 | [1990/25] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0373538 | Date: | 20.06.1990 | Language: | DE | [1990/25] | Type: | B1 Patent specification | No.: | EP0373538 | Date: | 10.11.1993 | Language: | DE | [1993/45] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.03.1990 | Classification | IPC: | C07C29/76, B01J20/32 | [1990/25] | CPC: |
B01J20/3204 (EP);
B01J20/3257 (EP);
C07C29/76 (EP)
| C-Set: |
C07C29/76, C07C31/08 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/25] | Title | German: | Verfahren zur Trennung von Alkohol/Wasser-Gemischen | [1990/25] | English: | Process for the separation of alcohol/water mixtures | [1990/25] | French: | Procédé de séparation de mélanges eau-alcool | [1990/25] | Examination procedure | 26.11.1990 | Examination requested [1991/04] | 04.06.1992 | Despatch of a communication from the examining division (Time limit: M04) | 01.10.1992 | Reply to a communication from the examining division | 03.11.1992 | Despatch of a communication from the examining division (Time limit: M04) | 27.02.1993 | Reply to a communication from the examining division | 23.04.1993 | Despatch of communication of intention to grant (Approval: Yes) | 12.05.1993 | Communication of intention to grant the patent | 01.07.1993 | Fee for grant paid | 01.07.1993 | Fee for publishing/printing paid | Opposition(s) | 11.08.1994 | No opposition filed within time limit [1994/44] | Fees paid | Renewal fee | 15.01.1992 | Renewal fee patent year 03 | 17.12.1992 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 03.01.1992 | 03 M06 Fee paid on 24.02.1992 |
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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]US4277635 (OULMAN CHARLES S, et al); | [Y]US4343623 (KULPRATHIPANJA SANTI, et al); | [A]US4487614 (YON CARMEN M [US]); | [A]WO8603686 (UNION CARBIDE CORP [US]); | [A]GB2201413 (SHELL INT RESEARCH) | [X] - ANALYTICAL CHEMISTRY, Band 49, Nr. 12, Oktober 1977, Seiten 1004A-1014A; E. GRUSHKA et al.: "Chemically bonded stationary phases in chromatography" | [A] - JOURNAL OF CHROMATOGRAPHY LIBRARY, Band 16, 1979, Seiten 206-222, Elsevier Scientific Publishing Co.; K.K. UNGER: "Porous silica" | [A] - JOURNAL OF CHROMATOGRAPHIC SCIENCE, Band 12, Dezember 1974, Seiten 767-778, Preston; R.E. MAJORS et al.: "Studies of siloxane phases bonded to silica gel for use in high performance liquid chromatography" | Examination | - ULLMANNS ENCYKLOPÄDIE DER TECHNISCHEN CHEMIE, 4. Auflage, Bd. 21, Seite 458-459, Verlag Chemie, Weinheim |