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EP0364939
European procedure
Extract from the Register of European Patents
EP About this file: EP0364939
| EP0364939 - Graft polymers which contain polyvinyl acetal groups and which are based on grafted polyurethane, process for their production and their use [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.06.1994 Database last updated on 12.07.2024 | Most recent event Tooltip | 02.06.1994 | No opposition filed within time limit | published on 20.07.1994 [1994/29] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1990/17] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | Inventor(s) | 01 /
Kroggel, Matthias, Dr. Am Flachsland 15 D-6233 Kelkheim (Taunus) / DE | 02 /
Rauterkus, Karl-Josef, Dr. Im Hain 2 D-6233 Kelkheim (Taunus) / DE | 03 /
Hermann, Hans-Dieter, Dr. Am Dachsbau 7 D-6232 Bad Soden am Taunus / DE | [1990/17] | Application number, filing date | 89119221.3 | 17.10.1989 | [1990/17] | Priority number, date | DE19883835840 | 21.10.1988 Original published format: DE 3835840 | [1990/17] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0364939 | Date: | 25.04.1990 | Language: | DE | [1990/17] | Type: | A3 Search report | No.: | EP0364939 | Date: | 29.08.1990 | Language: | DE | [1990/35] | Type: | B1 Patent specification | No.: | EP0364939 | Date: | 28.07.1993 | Language: | DE | [1993/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.07.1990 | Classification | IPC: | C08F283/00, C08F8/28 | [1990/17] | CPC: |
C08F283/006 (EP,US);
C08F8/12 (EP,US);
C08F8/48 (EP,US)
| C-Set: |
C08F283/006, C08F218/08 (EP,US);
C08F8/12, C08F283/006 (US,EP);
C08F8/48, C08F8/28, C08F8/12, C08F283/006 (US,EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1990/17] | Title | German: | Polyvinylacetalgruppen enthaltende Pfropfpolymerisate auf Polyurethanpfropfgrundlagen, Verfahren zu ihrer Herstellung und ihre Anwendung | [1990/17] | English: | Graft polymers which contain polyvinyl acetal groups and which are based on grafted polyurethane, process for their production and their use | [1990/17] | French: | Polymères greffés contenant des groupes polyvinylacétales sur une base de greffage en polyuréthane, leur procédé de fabrication et leur application | [1990/17] | Examination procedure | 30.11.1990 | Examination requested [1991/04] | 25.03.1992 | Despatch of a communication from the examining division (Time limit: M04) | 17.07.1992 | Reply to a communication from the examining division | 24.11.1992 | Despatch of communication of intention to grant (Approval: Yes) | 08.02.1993 | Communication of intention to grant the patent | 15.05.1993 | Fee for grant paid | 15.05.1993 | Fee for publishing/printing paid | Opposition(s) | 29.04.1994 | No opposition filed within time limit [1994/29] | Fees paid | Renewal fee | 21.12.1990 | Renewal fee patent year 03 | 21.09.1992 | 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. | Documents cited: | Search | [Y]US4374953 (CHOU YUNGNIEN J, et al); | [A]EP0286019 (BASF AG [DE]); | [YP]EP0308832 (HOECHST AG [DE]) |