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EP0330134
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EP About this file: EP0330134
| EP0330134 - Modified cellulose for biocompatible dialysis membranes IV, and method for its preparation [Right-click to bookmark this link] | Status | The application has been refused Status updated on 27.03.1998 Database last updated on 29.03.2025 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states Akzo Nobel N.V. Velperweg 76 6824 BM Arnhem / NL | [N/P] |
| Former [1994/19] | For all designated states Akzo Nobel N.V. Velperweg 76 NL-6824 BM Arnhem / NL | ||
| Former [1989/35] | For all designated states Akzo N.V. Postbus 9300 Velperweg 76 NL-6800 SB Arnhem / NL | Inventor(s) | 01 /
Diamantoglou, Michael, Dr. Kolpingstrasse 4 D-8765 Erlenbach/Main / DE | [1989/35] | Representative(s) | Fett, Günter CPW GmbH Kasinostrasse 19 - 21 42103 Wuppertal / DE | [N/P] |
| Former [1989/35] | Fett, Günter Akzo Patente GmbH, Postfach 10 01 49 D-42097 Wuppertal / DE | Application number, filing date | 89102968.8 | 21.02.1989 | [1989/35] | Priority number, date | DE19883805973 | 25.02.1988 Original published format: DE 3805973 | [1989/35] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0330134 | Date: | 30.08.1989 | Language: | DE | [1989/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.06.1989 | Classification | IPC: | C08B15/00, C08B15/06, C08B37/08, // B01D13/04, A61M1/16 | [1989/35] | CPC: |
B01D71/10 (EP,US);
B01D71/08 (EP,US);
C08B15/00 (EP,US);
C08B15/06 (EP,US);
C08B37/003 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/35] | Title | German: | Modifizierte Cellulose für biocompatible Dialysemembranen IV und Verfahren zu deren Herstellung | [1989/35] | English: | Modified cellulose for biocompatible dialysis membranes IV, and method for its preparation | [1989/35] | French: | Cellulose modifiée, son utilisation comme membranes biocompatibles IV pour la dialyse et procédé pour sa préparation | [1989/35] | Examination procedure | 24.02.1990 | Examination requested [1990/17] | 13.01.1992 | Despatch of a communication from the examining division (Time limit: M04) | 13.05.1992 | Reply to a communication from the examining division | 21.02.1994 | Despatch of a communication from the examining division (Time limit: M04) | 03.06.1994 | Reply to a communication from the examining division | 11.10.1994 | Despatch of a communication from the examining division (Time limit: M04) | 16.02.1995 | Reply to a communication from the examining division | 14.03.1995 | Despatch of communication that the application is refused, reason: substantive examination [1998/20] | 20.01.1998 | Application refused, date of legal effect [1998/20] | Appeal following examination | 04.05.1995 | Appeal received No. T0516/95 | 16.06.1995 | Statement of grounds filed | 20.01.1998 | Result of appeal procedure: appeal of the applicant was rejected | 06.11.1992 | Appeal received No. T0220/93 | 29.01.1993 | Statement of grounds filed | 30.11.1993 | Result of appeal procedure: appeal of the applicant was rejected | 20.01.1998 | Date of oral proceedings | 23.01.1998 | Minutes of oral proceedings despatched | Fees paid | Renewal fee | 25.01.1991 | Renewal fee patent year 03 | 28.12.1991 | Renewal fee patent year 04 | 19.12.1992 | Renewal fee patent year 05 | 28.12.1993 | Renewal fee patent year 06 | 27.12.1994 | Renewal fee patent year 07 | 27.12.1995 | Renewal fee patent year 08 | 28.12.1996 | Renewal fee patent year 09 | 20.12.1997 | Renewal fee patent year 10 |
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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 | JP73102091 [ ]; | [X]US2136299 (HASKINS JOSEPH F); | [A]EP0028126 (KUREHA CHEMICAL IND CO LTD [JP]); | [A]EP0172437 (AKZO GMBH [DE]) | [ ] - CHEMICAL ABSTRACTS, vol. 108, no. 16, April 1988, page 141, abstract no. 134282a, Columbus, Ohio, US; T. YAMAGUCHI et al.: "Preparation of activated carbon from lignin products with alkali", & NIPPON KAGAKU KAISHI 1988 (2), 217-20 | [ ] - CHEMICAL ABSTRACTS, vol. 81, no. 2, 15th July 1974, page 65, abstract no. 5095s, Columbus, Ohio, US; & JP-A-73 102 091 (S. WATANABE et al.) 21-12-1973, & JP73102091 A 00000000 |