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EP0172437
European procedure
Extract from the Register of European Patents
EP About this file: EP0172437
| EP0172437 - Modified cellulose dialysis membrane with improved biocompatibility [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.06.1990 Database last updated on 03.09.2024 | Most recent event Tooltip | 28.06.1990 | No opposition filed within time limit | published on 16.08.1990 [1990/33] | Applicant(s) | For all designated states Akzo Patente GmbH Postfach 10 01 49 Kasinostrasse 19-23 D-5600 Wuppertal-1 / DE | [N/P] |
| Former [1988/37] | For all designated states Akzo Patente GmbH Postfach 10 01 49 Kasinostrasse 19-23 D-5600 Wuppertal-1 / DE | ||
| Former [1986/09] | For all designated states Akzo GmbH Postfach 10 01 49 Kasinostrasse 19-23 D-5600 Wuppertal-1 / DE | Inventor(s) | 01 /
Baurmeister, Ulrich, Dr. Dipl.-Ing. Holbeinstrasse 21 D-1000 Berlin 45 / DE | 02 /
Brodowski, Walter, Dr. Dipl.-Chem. Neudorfer Strasse 8 D-8762 Amorbach / DE | 03 /
Diamantoglou, Michael, Dr. Dipl.-Chem. Kolpingstrasse 4 D-8765 Erlenbach / DE | 04 /
Dünweg, Gustav Untere Lichtenplatzer Strasse 80 D-5600 Wuppertal 2 / DE | 05 /
Henne, Werner, Dr. Dipl.-Chem. Winterbergstrasse 46 D-5600 Wuppertal 2 / DE | 06 /
Pelger, Michael, Dr. Dipl.-Chem. Buschenburg 32 D-5600 Wuppertal 22 / DE | 07 /
Schulze, Helmut, Dr. Dipl.-Chem. Am Langensiepen 14 D-5600 Wuppertal 1 / DE | [1986/09] | Application number, filing date | 85109286.6 | 24.07.1985 | [1986/09] | Priority number, date | DE19843430503 | 18.08.1984 Original published format: DE 3430503 | DE19853524596 | 10.07.1985 Original published format: DE 3524596 | [1986/09] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0172437 | Date: | 26.02.1986 | Language: | DE | [1986/09] | Type: | A3 Search report | No.: | EP0172437 | Date: | 20.01.1988 | Language: | DE | [1988/03] | Type: | B1 Patent specification | No.: | EP0172437 | Date: | 06.09.1989 | Language: | DE | [1989/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.12.1987 | Classification | IPC: | B01D13/04, A61M1/16, C08B11/00 | [1986/09] | CPC: |
B01D71/22 (EP,US);
C08B11/00 (EP,US)
| Designated contracting states | DE, FR, GB, IT, SE [1986/09] | Title | German: | Dialysemembran aus modifizierter Cellulose mit verbesserter Biokompatibilität | [1986/09] | English: | Modified cellulose dialysis membrane with improved biocompatibility | [1986/09] | French: | Membrane pour dialyse en cellulose modifiée ayant une biocompatibilité | [1986/09] | Examination procedure | 04.05.1988 | Examination requested [1988/27] | 04.11.1988 | Despatch of communication of intention to grant (Approval: Yes) | 03.03.1989 | Communication of intention to grant the patent | 20.03.1989 | Fee for grant paid | 20.03.1989 | Fee for publishing/printing paid | Opposition(s) | 06.06.1990 | No opposition filed within time limit [1990/33] | Fees paid | Renewal fee | 29.06.1987 | Renewal fee patent year 03 | 01.07.1988 | Renewal fee patent year 04 | 23.06.1989 | Renewal fee patent year 05 |
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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 | [AD]DE1720087 (DOW CHEMICAL CO); | [AD]FR2380052 (AKZO NV [NL]); | [A]US4051040 (HAZDRA JAMES J, et al) |