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EP0233975
European procedure
Extract from the Register of European Patents
EP About this file: EP0233975
| EP0233975 - Process for improving dioxide pigments by after-treatment [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.08.1990 Database last updated on 31.05.2024 | Most recent event Tooltip | 09.08.1990 | No opposition filed within time limit | published on 26.09.1990 [1990/39] | Applicant(s) | For all designated states KRONOS TITAN-Gesellschaft mbH Postfach 10 07 20 D-51307 Leverkusen / DE | [1987/36] | Inventor(s) | 01 /
Luginsland, Hans-Hermann, Dr. Bruchhauser Strasse 152 D-5090 Leverkusen 3 / DE | 02 /
Rosendahl, Franz, Dr. Hegelstrasse 13 D-5090 Leverkusen 1 / DE | [1987/36] | Application number, filing date | 86102574.0 | 27.02.1986 | [1987/36] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0233975 | Date: | 02.09.1987 | Language: | DE | [1987/36] | Type: | B1 Patent specification | No.: | EP0233975 | Date: | 18.10.1989 | Language: | DE | [1989/42] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.11.1986 | Classification | IPC: | C09C1/36 | [1987/36] | CPC: |
C09C1/3661 (EP,US);
C01P2006/60 (US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1987/36] | Title | German: | Verfahren zur Verbesserung von Titandioxid-Pigmenten durch eine Nachbehandlung | [1987/36] | English: | Process for improving dioxide pigments by after-treatment | [1987/36] | French: | Procédé d'amélioration de pigments de dioxyde de titane par un post-traitement | [1987/36] | Examination procedure | 28.02.1986 | Examination requested [1987/36] | 05.07.1988 | Despatch of a communication from the examining division (Time limit: M04) | 27.10.1988 | Reply to a communication from the examining division | 09.12.1988 | Despatch of communication of intention to grant (Approval: Yes) | 17.04.1989 | Communication of intention to grant the patent | 29.06.1989 | Fee for grant paid | 29.06.1989 | Fee for publishing/printing paid | Opposition(s) | 19.07.1990 | No opposition filed within time limit [1990/39] | Fees paid | Renewal fee | 24.12.1987 | Renewal fee patent year 03 | 12.01.1989 | 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 | [A]FR1583161 ; | [A]US3522078 (MAY RUSSELL R JR, et al); | [A]EP0008101 (BAYER AG [DE]) |