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EP0318313
European procedure
Extract from the Register of European Patents
EP About this file: EP0318313
| EP0318313 - Fluidized-bed activation furnace for activated carbon [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.04.1993 Database last updated on 31.08.2024 | Most recent event Tooltip | 06.11.2009 | Change - representative | published on 09.12.2009 [2009/50] | Applicant(s) | For all designated states KUREHA KAGAKU KOGYO KABUSHIKI KAISHA 1-9-11, Nihonbashi, Horidome-cho Chuo-ku Tokyo 103-8552 / JP | [N/P] |
| Former [1989/22] | For all designated states KUREHA KAGAKU KOGYO KABUSHIKI KAISHA 1-9-11, Nihonbashi, Horidome-cho Chuo-ku Tokyo 103 / JP | Inventor(s) | 01 /
Okamoto, Tsuneo 3-90 Eguri Nishiki-machi Iwaki-shi Fukushima-ken / JP | 02 /
Sakaguchi, Yasuo 1-5 Nukazuka Nishiki-machi Iwaki-shi Fukushima-ken / JP | [1989/22] | Representative(s) | Senior, Alan Murray, et al J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [2009/50] | Senior, Alan Murray, et al J.A. Kemp & Co. 14 South Square Gray's Inn London WC1R 5JJ / GB | ||
| Former [1989/22] | Senior, Alan Murray, et al J.A. KEMP & CO., 14 South Square, Gray's Inn London WC1R 5LX / GB | Application number, filing date | 88311190.8 | 25.11.1988 | [1989/22] | Priority number, date | JP19870296660 | 25.11.1987 Original published format: JP 29666087 | [1989/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0318313 | Date: | 31.05.1989 | Language: | EN | [1989/22] | Type: | A3 Search report | No.: | EP0318313 | Date: | 16.08.1989 | Language: | EN | [1989/33] | Type: | B1 Patent specification | No.: | EP0318313 | Date: | 24.06.1992 | Language: | EN | [1992/26] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.06.1989 | Classification | IPC: | B01J8/24, // C01B31/10 | [1989/22] | CPC: |
B01J8/0015 (EP,US);
B01J8/24 (EP,US);
C01B32/39 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/22] | Title | German: | Aktivierungswirbelbettofen für Kohle | [1989/22] | English: | Fluidized-bed activation furnace for activated carbon | [1989/22] | French: | Four d'activation à lit fluidisé pour le charbon | [1989/22] | Examination procedure | 22.01.1990 | Examination requested [1990/12] | 04.12.1990 | Despatch of a communication from the examining division (Time limit: M04) | 05.04.1991 | Reply to a communication from the examining division | 11.06.1991 | Despatch of communication of intention to grant (Approval: Yes) | 02.12.1991 | Communication of intention to grant the patent | 14.02.1992 | Fee for grant paid | 14.02.1992 | Fee for publishing/printing paid | Opposition(s) | 25.03.1993 | No opposition filed within time limit [1993/24] | Fees paid | Renewal fee | 20.11.1990 | Renewal fee patent year 03 | 28.12.1990 | 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]CH207033 (POLYSIUS G AG [DE]); | [Y]US3260389 (KING PATON HAMILTON NEIL); | [A]US4002263 (MARCELLINI ROBERT); | [A]US4039290 (INADA SATOSHI, et al) | [YD] - KAGAKU SOCHI, vol. 17, no. 5, May 1975, pages 38-44, Tokyo, JP; O. TSUMEO: "Utilising flowing layers for the activation of carbon as well as their technical use" |