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EP0034331
European procedure
Extract from the Register of European Patents
EP About this file: EP0034331
| EP0034331 - Gel based on water-soluble poly(meth)acrylic acid derivatives, process for its preparation and its use [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 27.05.1988 Database last updated on 06.07.2024 | Most recent event Tooltip | 12.11.1999 | Lapse of the patent in a contracting state | published on 29.12.1999 [1999/52] | Applicant(s) | For all designated states Chemische Fabrik Stockhausen GmbH Bäkerpfad 25 47805 Krefeld / DE | [N/P] |
| Former [1981/34] | For all designated states Chemische Fabrik Stockhausen GmbH Bäkerpfad 25 D-47805 Krefeld / DE | Inventor(s) | 01 /
Hübner, Wolfgang, Dipl.Chem. Dr. Möhlenring 61 D-4152 Kempen 1 / DE | 02 /
Fischer, Werner, Chem.Ing.grad. Lützowstrasse 14 D-4150 Krefeld 1 / DE | 03 /
Konopka, Norbert Einsteinstrasse 22 D-4130 Moers 1 / DE | [1981/34] | Representative(s) | Klöpsch, Gerald Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22 80336 München / DE | [N/P] |
| Former [1981/34] | Klöpsch, Gerald, Dr.-Ing. Patentanwalt An Gross St. Martin 6 D-50667 Köln / DE | Application number, filing date | 81100958.8 | 11.02.1981 | [1981/34] | Priority number, date | DE19803005446 | 14.02.1980 Original published format: DE 3005446 | [1981/34] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0034331 | Date: | 26.08.1981 | Language: | DE | [1981/34] | Type: | A3 Search report | No.: | EP0034331 | Date: | 27.01.1982 | Language: | DE | [1982/04] | Type: | B1 Patent specification | No.: | EP0034331 | Date: | 14.11.1984 | Language: | DE | [1984/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.11.1981 | Classification | IPC: | C08F8/44, C09K3/10, C09J3/00, // C08F20/02 | [1981/34] | CPC: |
C08F8/44 (EP,US)
| C-Set: |
C08F8/44, C08F20/02 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1981/34] | Title | German: | Gel auf der Basis wasserlöslicher Poly(meth)acrylsäure-Derivate, Verfahren zu seiner Herstellung und seine Anwendung | [1981/34] | English: | Gel based on water-soluble poly(meth)acrylic acid derivatives, process for its preparation and its use | [1981/34] | French: | Gel à base de dérivés d'acide poly(méth)acrylique solubles dans l'eau, procédé pour sa préparation et son utilisation | [1981/34] | Examination procedure | 29.01.1982 | Examination requested [1982/14] | 25.01.1983 | Despatch of a communication from the examining division (Time limit: M02) | 03.03.1983 | Reply to a communication from the examining division | 06.02.1984 | Despatch of communication of intention to grant (Approval: ) | 02.05.1984 | Communication of intention to grant the patent | 25.07.1984 | Fee for grant paid | 25.07.1984 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
08.08.1985
22.08.1985
ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | [N/P] |
| Former [1985/42] | |||
| Opponent(s) | 01
08.08.1985
22.08.1985
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 23.09.1985 | Invitation to proprietor to file observations on the notice of opposition | 15.03.1986 | Reply of patent proprietor to notice(s) of opposition | 25.03.1986 | Communication of observations of patent proprietor (Time limit: M04) | 08.07.1986 | Reply of parties involved to observations of patent proprietor | 05.03.1987 | Despatch of a communication from the opposition division (Time limit: M04) | 06.08.1987 | Reply to a communication from the opposition division | 11.02.1988 | Date of despatch of rejection of opposition | 21.02.1988 | Legal effect of rejection of opposition [1988/28] | Fees paid | Renewal fee | 18.02.1983 | Renewal fee patent year 03 | 24.02.1984 | Renewal fee patent year 04 |
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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. | Lapses during opposition Tooltip | LU | 28.02.1985 | [1999/52] | Documents cited: | Search | [AD]US4018286 (GALL JAMES W, et al) |