EP0049748 - Iron-blue pigment, process for preparing it and its use [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.01.1985 Database last updated on 29.06.2024 | Most recent event Tooltip | 25.01.1985 | No opposition filed within time limit | published on 27.03.1985 [1985/13] | Applicant(s) | For all designated states Degussa GmbH Weissfrauenstrasse 9 60311 Frankfurt / DE | [N/P] |
Former [1982/16] | For all designated states Degussa Aktiengesellschaft Weissfrauenstrasse 9 D-60311 Frankfurt / DE | Inventor(s) | 01 /
Gratzfeld, Everhard Kleiststrasse 8 D-5047 Wesseling / DE | 02 /
Clausen, Eva Gartenstrasse 43 D-5000 Köln 50 / DE | 03 /
Reinhardt, Helmut, Dr. Auf dem Stumpelrott 9 D-5000 Köln 50 / DE | 04 /
Schaefer, Hans, Dr. Liesingstrasse 10 D-6450 Hanau / DE | [1982/16] | Application number, filing date | 81106246.2 | 11.08.1981 | [1982/16] | Priority number, date | DE19803038285 | 10.10.1980 Original published format: DE 3038285 | [1982/16] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0049748 | Date: | 21.04.1982 | Language: | DE | [1982/16] | Type: | B1 Patent specification | No.: | EP0049748 | Date: | 21.03.1984 | Language: | DE | [1984/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.01.1982 | Classification | IPC: | C09C1/26 | [1982/16] | CPC: |
C09C1/26 (EP,US);
C01P2006/60 (US);
C01P2006/80 (US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1982/16] | Title | German: | Eisenblau-Pigment, Verfahren zur Herstellung desselben und Verwendung | [1982/16] | English: | Iron-blue pigment, process for preparing it and its use | [1982/16] | French: | Pigment bleu à cyanure de fer, procédé de préparation et utilisation | [1982/16] | Examination procedure | 11.08.1981 | Examination requested [1982/16] | 19.11.1982 | Despatch of a communication from the examining division (Time limit: M04) | 22.03.1983 | Reply to a communication from the examining division | 09.05.1983 | Despatch of communication of intention to grant (Approval: ) | 02.08.1983 | Communication of intention to grant the patent | 25.10.1983 | Fee for grant paid | 25.10.1983 | Fee for publishing/printing paid | Opposition(s) | 22.12.1984 | No opposition filed within time limit [1985/13] | Fees paid | Renewal fee | 03.08.1983 | 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 | DE2453014 [ ] (DEGUSSA); | DE2638228 [ ] (DEGUSSA) |