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EP0147369
European procedure
Extract from the Register of European Patents
EP About this file: EP0147369
| EP0147369 - Cellulosic material ionically modified, its preparation and use [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.11.1991 Database last updated on 26.04.2025 | Most recent event Tooltip | 01.11.1991 | No opposition filed within time limit | published on 27.12.1991 [1991/52] | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1985/27] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Merz, Jürg, Dr. Langgartenstrasse 51 CH-4105 Biel-Benken / CH | 02 /
Voser, Walter, Dr. Alemannenweg 2 CH-4123 Allschwil / CH | [1985/27] | Application number, filing date | 84810629.0 | 17.12.1984 | [1985/27] | Priority number, date | CH19830006856 | 22.12.1983 Original published format: CH 685683 | [1985/27] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0147369 | Date: | 03.07.1985 | Language: | DE | [1985/27] | Type: | A3 Search report | No.: | EP0147369 | Date: | 10.12.1986 | Language: | DE | [1986/50] | Type: | B1 Patent specification | No.: | EP0147369 | Date: | 02.01.1991 | Language: | DE | [1991/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.10.1986 | Classification | IPC: | C08B11/15, B01J20/22, B01D15/08 | [1985/27] | CPC: |
C08B11/15 (EP,US);
B01D15/361 (EP,US);
B01J20/22 (EP,US);
B01J41/20 (EP,US);
B01D15/364 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1985/27] | Title | German: | Ionisch modifiziertes Cellulosematerial, dessen Herstellung und Verwendung | [1985/27] | English: | Cellulosic material ionically modified, its preparation and use | [1985/27] | French: | Produit cellulosique modifié ioniquement, sa préparation et application | [1985/27] | Examination procedure | 19.12.1984 | Examination requested [1985/27] | 19.05.1988 | Despatch of a communication from the examining division (Time limit: M04) | 13.09.1988 | Reply to a communication from the examining division | 23.12.1988 | Despatch of a communication from the examining division (Time limit: M06) | 14.06.1989 | Reply to a communication from the examining division | 11.08.1989 | Despatch of a communication from the examining division (Time limit: M04) | 02.12.1989 | Reply to a communication from the examining division | 23.02.1990 | Despatch of communication of intention to grant (Approval: Yes) | 02.07.1990 | Communication of intention to grant the patent | 31.08.1990 | Fee for grant paid | 31.08.1990 | Fee for publishing/printing paid | Opposition(s) | 03.10.1991 | No opposition filed within time limit [1991/52] | Fees paid | Renewal fee | 06.11.1986 | Renewal fee patent year 03 | 21.10.1987 | Renewal fee patent year 04 | 28.10.1988 | Renewal fee patent year 05 | 27.10.1989 | Renewal fee patent year 06 | 03.11.1990 | Renewal fee patent year 07 |
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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 | [Y]GB733100 (TNO) | [Y] - CHEMICAL ABSTRACTS, Band 75, Nr. 4, 26. Juli 1971, Seite 119, Zusammenfassung Nr. 22753y, Columbus, Ohio, US; J. PASTYR et al.: "Preparation and properties of the sulfoethyl cellulose ion-exchanger based on crosslinked microcrystalline cellulose", & CELLUL. CHEM. TECHNOL. 1971, 5(1), 17-22 | [Y] - CHEMICAL ABSTRACTS, Band 94, Nr. 10, 9. März 1981, Seite 101, Zusammenfassung Nr. 67479x, Columbus, Ohio, US; N.E. KOTEL'NIKOVA et al.: "Study of the structure and chromatographic properties of microcrystalline cellulose produced from birchwood", & KHIM. DREV. 1980, (6), 3-12 |