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EP0108971
European procedure
Extract from the Register of European Patents
EP About this file: EP0108971
| EP0108971 - Abrasive; production thereof and use thereof in magnetic recording medium [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.04.1989 Database last updated on 11.05.2024 | Most recent event Tooltip | 07.04.1989 | No opposition filed within time limit | published on 24.05.1989 [1989/21] | Applicant(s) | For all designated states Sumitomo Chemical Company, Limited 5-33, Kitahama 4-chome Chuo-ku Osaka 541-8550 / JP | [N/P] |
| Former [1984/21] | For all designated states SUMITOMO CHEMICAL COMPANY, LIMITED Kitahama 4-chome 5-33 Chuo-ku Osaka 541 / JP | Inventor(s) | 01 /
Kadokura, Hidekimi 5-2 Hoshigoecho Niihama-shi / JP | 02 /
Umezaki, Hiroshi 10-27 Kitauchicho-4-chome Niihama-shi / JP | 03 /
Murakami, Hideaki 4-20 Hongo-1-chome Niihama-shi / JP | 04 /
Hashimoto, Tadanori 12-2 Tennocho Takatsuki-shi / JP | 05 /
Nakano, Kazuhiko 1-34 Koozu-3-chome Katano-shi / JP | 06 /
Matsuda, Norio 29-7 Oike-2-chome Ibaraki-shi / JP | [1984/36] |
| Former [1984/21] | 01 /
Kadokura, Hidekimi 5-2 Hoshigoecho Niihama-shi / JP | ||
| 02 /
Umezaki, Hiroshi 10-27 Kitauchicho-4-chome Niiahami-shi / JP | |||
| 03 /
Murakami, Hideaki 4-20 Hongo-1-chome Niihama-shi / JP | |||
| 04 /
Hashimoto, Tadanori 12-2 Tennocho Takatsuki-shi / JP | |||
| 05 /
Nakano, Kazuhiko 1-34 Koozu-3-chome Katano-shi / JP | |||
| 06 /
Matsuda, Norio 29-7 Oike-2-chome Ibaraki-shi / JP | Representative(s) | Henkel & Partner mbB Patentanwaltskanzlei, Rechtsanwaltskanzlei Maximiliansplatz 21 80333 München / DE | [N/P] |
| Former [1984/21] | Henkel, Feiler, Hänzel & Partner Möhlstrasse 37 D-81675 München / DE | Application number, filing date | 83110717.2 | 26.10.1983 | [1984/21] | Priority number, date | JP19820192904 | 01.11.1982 Original published format: JP 19290482 | JP19820192838 | 02.11.1982 Original published format: JP 19283882 | JP19820192843 | 02.11.1982 Original published format: JP 19284382 | JP19820192904 | 07.06.1983 Original published format: JP 19290482 | JP19820192904 | 12.07.1983 Original published format: JP 19290482 | JP19820192838 | 07.06.1983 Original published format: JP 19283882 | JP19820192838 | 12.07.1983 Original published format: JP 19283882 | [1984/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0108971 | Date: | 23.05.1984 | Language: | EN | [1984/21] | Type: | A3 Search report | No.: | EP0108971 | Date: | 05.02.1986 | Language: | EN | [1986/06] | Type: | B1 Patent specification | No.: | EP0108971 | Date: | 25.05.1988 | Language: | EN | [1988/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.12.1985 | Classification | IPC: | C09K3/14, G11B5/708 | [1986/01] | CPC: |
G11B5/7085 (EP);
C09K3/14 (EP)
|
| Former IPC [1984/21] | C09K3/14, G11B5/70 | Designated contracting states | DE, FR, NL [1984/21] | Title | German: | Schleifmittel, dessen Herstellung und Verwendung in magnetischen Aufnahmematerialien | [1984/21] | English: | Abrasive; production thereof and use thereof in magnetic recording medium | [1984/21] | French: | Abrasif, fabrication de celui-ci et utilisation dans des matières d'enregistrement magnétique | [1984/21] | Examination procedure | 24.06.1986 | Examination requested [1986/35] | 31.03.1987 | Despatch of a communication from the examining division (Time limit: M04) | 26.05.1987 | Reply to a communication from the examining division | 17.09.1987 | Despatch of communication of intention to grant (Approval: Yes) | 30.10.1987 | Communication of intention to grant the patent | 20.01.1988 | Fee for grant paid | 20.01.1988 | Fee for publishing/printing paid | Opposition(s) | 28.02.1989 | No opposition filed within time limit [1989/21] | Fees paid | Renewal fee | 29.10.1985 | Renewal fee patent year 03 | 29.10.1986 | Renewal fee patent year 04 | 29.10.1987 | Renewal fee patent year 05 |
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