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EP0546432
European procedure
Extract from the Register of European Patents
EP About this file: EP0546432
| EP0546432 - Process for the preparation of chromium oxide refractory bricks [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.02.1996 Database last updated on 21.05.2024 | Most recent event Tooltip | 16.02.1996 | No opposition filed within time limit | published on 03.04.1996 [1996/14] | Applicant(s) | For all designated states DYKO INDUSTRIEKERAMIK GMBH Postfach 19 02 07 D-40521 Düsseldorf / DE | [1993/24] | Inventor(s) | 01 /
Wächter, Klaus, Dipl.-Ing. Beethovenstrasse 4 W-4044 Kaarst 2 / DE | [1993/24] | Representative(s) | Rehberg, Elmar Rehberg Hüppe + Partner Postfach 31 62 37021 Göttingen / DE | [N/P] |
| Former [1993/24] | Rehberg, Elmar, Dipl.-Ing. Patentanwalt Postfach 31 62 D-37021 Göttingen / DE | Application number, filing date | 92120523.3 | 02.12.1992 | [1993/24] | Priority number, date | DE19914140417 | 07.12.1991 Original published format: DE 4140417 | [1993/24] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0546432 | Date: | 16.06.1993 | Language: | DE | [1993/24] | Type: | B1 Patent specification | No.: | EP0546432 | Date: | 12.04.1995 | Language: | DE | [1995/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.03.1993 | Classification | IPC: | C04B35/12 | [1993/24] | CPC: |
C04B35/0476 (EP,US)
| Designated contracting states | BE, DE, ES, FR, GB, IT, NL, PT, SE [1993/24] | Title | German: | Verfahren zur Herstellung von feuerfesten Chromoxid-Steinen | [1993/24] | English: | Process for the preparation of chromium oxide refractory bricks | [1993/24] | French: | Procédé pour la préparation des briques réfractaires en chrome | [1993/24] | Examination procedure | 30.04.1993 | Examination requested [1993/26] | 27.06.1994 | Despatch of communication of intention to grant (Approval: Yes) | 13.10.1994 | Communication of intention to grant the patent | 12.12.1994 | Fee for grant paid | 12.12.1994 | Fee for publishing/printing paid | Opposition(s) | 13.01.1996 | No opposition filed within time limit [1996/14] | Fees paid | Renewal fee | 11.11.1994 | 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 | [A]JP60239355 ; | [A]WO8800931 (GREEN REFRACTORIES [US]); | [X]GB2232413 (CORHART REFRACTORIES CO [US]); | [A]DE1927449 (GEN REFRACTORIES CO); | [A]US3773531 (MANIGAULT E) | [A] - DATABASE WPIL Week 8603, Derwent Publications Ltd., London, GB; AN 86-016954 & JP-A-60 239 355 (SHINAGAWA FIREBRICK) 18. November 1985, & JP60239355 A 00000000 |