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EP0394034
European procedure
Extract from the Register of European Patents
EP About this file: EP0394034
| EP0394034 - Magnetic iron oxide particles [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.01.1996 Database last updated on 28.03.2026 | Most recent event Tooltip | 08.01.1996 | No opposition filed within time limit | published on 07.02.1996 [1996/06] | Applicant(s) | For all designated states TODA KOGYO CORP. 7-1 Yokogawa-Shinmachi Nishi-ku Hiroshima-shi Hiroshima-ken / JP | [N/P] |
| Former [1990/43] | For all designated states TODA KOGYO CORP. 7-1 Yokogawa-Shinmachi Nishi-ku Hiroshima-shi Hiroshima-ken / JP | Inventor(s) | 01 /
Hayashi, Kazuyuki 2-23-9 Kawauchi, Asa-Minami-ku Hiroshima-shi, Hiroshima-ken / JP | 02 /
Iwasaki, Keisuke 1-7-18 Kusatsu-Minami, Nishi-ku Hiroshima-shi, Hiroshima-ken / JP | 03 /
Tanaka, Yasuyuki 1-7-26 Funairi-Minami, Naka-ku Hiroshima-shi, Hiroshima-ken / JP | 04 /
Itamochi, Hiroko 3-35-10 Fukawa, Asa-Kita-ku Hiroshima-shi, Hiroshima-ken / JP | [1990/43] | Representative(s) | Woods, Geoffrey Corlett, et al J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [1990/43] | Woods, Geoffrey Corlett, et al J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 90304202.6 | 19.04.1990 | [1990/43] | Priority number, date | JP19890103135 | 20.04.1989 Original published format: JP 10313589 | [1990/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0394034 | Date: | 24.10.1990 | Language: | EN | [1990/43] | Type: | A3 Search report | No.: | EP0394034 | Date: | 12.06.1991 | Language: | EN | [1991/24] | Type: | B1 Patent specification | No.: | EP0394034 | Date: | 15.02.1995 | Language: | EN | [1995/07] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.04.1991 | Classification | IPC: | G11B5/712, G11B5/706 | [1995/07] | CPC: |
G11B5/70689 (EP,US);
G11B5/712 (EP,US);
Y10T428/2993 (EP,US)
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| Former IPC [1991/28] | G11B5/712 | ||
| Former IPC [1990/43] | G11B5/706 | Designated contracting states | DE, FR, GB, NL [1990/43] | Title | German: | Magnetische Eisenoxidteilchen | [1990/43] | English: | Magnetic iron oxide particles | [1990/43] | French: | Particules magnétiques d'oxyde de fer | [1990/43] | Examination procedure | 18.12.1990 | Examination requested [1991/07] | 14.07.1993 | Despatch of a communication from the examining division (Time limit: M06) | 24.01.1994 | Reply to a communication from the examining division | 15.04.1994 | Despatch of communication of intention to grant (Approval: Yes) | 18.08.1994 | Communication of intention to grant the patent | 04.11.1994 | Fee for grant paid | 04.11.1994 | Fee for publishing/printing paid | Opposition(s) | 16.11.1995 | No opposition filed within time limit [1996/06] | Fees paid | Renewal fee | 10.04.1992 | Renewal fee patent year 03 | 13.04.1993 | Renewal fee patent year 04 | 11.04.1994 | Renewal fee patent year 05 |
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