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EP0004574
European procedure
Extract from the Register of European Patents
EP About this file: EP0004574
| EP0004574 - 2-Hydroxy-3-naphthalene carboxamides and their use as coupling agents in diazotype materials [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 30.03.2026 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT Hanauer Landstrasse 526 60386 Frankfurt am Main / DE | [N/P] | Inventor(s) | 01 /
Scheler, Siegfried, Dr. Stormstrasse 5 D-6200 Wiesbaden / DE | [N/P] | Application number, filing date | 79100723.0 | 12.03.1979 | Priority number, date | DE19782811981 | 18.03.1978 Original published format: DE 2811981 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0004574 | Date: | 17.10.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0004574 | Date: | 30.12.1981 | Language: | DE | [1981/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.08.1979 | Classification | IPC: | C07C143/78, C07C143/822, C07D295/12, C07D295/22, G03C1/58 | [1981/52] | CPC: |
C07D295/26 (EP,US);
C07D295/13 (EP,US);
G03C1/58 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, NL, SE | Title | German: | 2-Hydroxy-3-naphthoesäureamide und deren Verwendung als Kupplungskomponenten in Diazotypiematerialien | English: | 2-Hydroxy-3-naphthalene carboxamides and their use as coupling agents in diazotype materials | French: | Hydroxy-2 naphtalène-3 carboxamides et leur utilisation comme agent copulant dans des matériaux de diazotypie | Examination procedure | 01.04.1980 | Examination requested [1980/13] | 25.07.1980 | Despatch of a communication from the examining division (Time limit: {0}) | 14.10.1980 | Despatch of a communication from the examining division (Time limit: M02) | 31.10.1980 | Reply to a communication from the examining division | 19.01.1981 | Despatch of communication of intention to grant (Approval: ) | 26.03.1981 | Communication of intention to grant the patent | 28.08.1981 | Fee for grant paid | 28.08.1981 | Fee for publishing/printing paid | Opposition(s) | 30.09.1982 | No opposition filed within time limit [ N /P ] | Request for re-establishment of rights: | 28.08.1981 | Date of receipt | 22.09.1981 | Request accepted | Fees paid | Renewal fee | 07.03.1981 | Renewal fee patent year 03 |
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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 | DE2414498 | FR953727 (GEN ANILINE & FILM CORP et al.) | DE1572078 (KALLE AG et al.) |