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EP0428956
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EP About this file: EP0428956
| EP0428956 - Process for the preparation of copolymers of maleic acid monoalkyl esters and vinylalkyl ethers [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 03.06.1994 Database last updated on 18.03.2026 | Most recent event Tooltip | 03.06.1994 | Withdrawal of application | published on 27.07.1994 [1994/30] | Applicant(s) | For all designated states Giulini Chemie GmbH Giulinistrasse 2 Postfach 150 480 D-67029 Ludwigshafen / DE | [N/P] |
| Former [1991/22] | For all designated states Giulini Chemie GmbH Giulinistrasse 2 Postfach 150 480 D-67029 Ludwigshafen / DE | Inventor(s) | 01 /
Pelah, Zvi, Prof. Savyion 56540 P.O. Box 3169 / IL | 02 /
Potencsik, Istvan, Dr. Am Steingarten 6 W-6800 Mannheim / DE | 03 /
Kopp, Werner, Dr. Schönbrückstrasse 15 W-6721 Harthausen / DE | 04 /
Urmann, Ernst, Dr. Limesstrasse 3 W-6700 Ludwigshafen / DE | [1991/22] | Application number, filing date | 90121529.3 | 10.11.1990 | [1991/22] | Priority number, date | DE19893937982 | 15.11.1989 Original published format: DE 3937982 | [1991/22] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0428956 | Date: | 29.05.1991 | Language: | DE | [1991/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.03.1991 | Classification | IPC: | C08F216/16, C08F222/16, C08F222/06 | [1991/22] | CPC: |
C08F216/16 (EP,US);
A61K8/8164 (EP,US);
A61Q5/06 (EP,US);
C08F222/06 (EP,US);
C08F8/14 (EP,US)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1991/22] | Title | German: | Verfahren zur Herstellung von Copolymerisaten aus Maleinsäuremonoalkylestern und Vinylalkylethern | [1991/22] | English: | Process for the preparation of copolymers of maleic acid monoalkyl esters and vinylalkyl ethers | [1991/22] | French: | Procédé de préparation de copolymères d'esters monoalcoyle d'acide maléique et d'éthers d'alloyle et de vinyle | [1991/22] | File destroyed: | 15.01.2000 | Examination procedure | 19.04.1991 | Examination requested [1991/25] | 17.03.1993 | Despatch of a communication from the examining division (Time limit: M06) | 10.09.1993 | Reply to a communication from the examining division | 01.03.1994 | Despatch of communication of intention to grant (Approval: Yes) | 24.03.1994 | Communication of intention to grant the patent | 21.05.1994 | Application withdrawn by applicant [1994/30] | Fees paid | Renewal fee | 29.10.1992 | Renewal fee patent year 03 | 30.09.1993 | Renewal fee patent year 04 |
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