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EP0222397
European procedure
Extract from the Register of European Patents
EP About this file: EP0222397
| EP0222397 - Method for melting and reducing chrome ore [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.01.1993 Database last updated on 12.12.2024 | Most recent event Tooltip | 07.01.1993 | No opposition filed within time limit | published on 24.02.1993 [1993/08] | Applicant(s) | For all designated states NIPPON KOKAN KABUSHIKI KAISHA 1-2 Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1987/21] | For all designated states NIPPON KOKAN KABUSHIKI KAISHA 1-2 Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Mori, Hajime c/o Patent Division NIPPON KOKAN K.K. 1-2, 1-chome, Marunouchi Chiyoda-ku Tokyo / JP | 02 /
Hirano, Minoru Patent Division NIPPON KOKAN K.K. 1-2, 1-chome, Marunouchi Chiyoda-ku Tokyo / JP | 03 /
Hasegawa, Teruyuki Pat. Div. NIPPON KOKAN K.K. 1-2, 1-chome, Marunouchi Chiyoda-ku Tokyo / JP | 04 /
Kawai, Yoshihiko Patent Div. NIPPON KOKAN K.K. 1-2, 1-chome, Marunouchi Chiyoda-ku Tokyo / JP | 05 /
Kikuchi, Yoshiteru Patent Div. NIPPON KOKAN K.K. 1-2, 1-chome, Marunouchi Chiyoda-ku Tokyo / JP | 06 /
Takahashi, Kenji Patent Div. NIPPON KOKAN K.K. 1-2, 1-chome, Marunouchi Chiyoda-ku Tokyo / JP | [1987/21] | Representative(s) | Popp, Eugen, et al Meissner Bolte Patentanwälte Rechtsanwälte Partnerschaft mbB Widenmayerstrasse 47 80538 München / DE | [N/P] |
| Former [1987/21] | Popp, Eugen, Dr., et al MEISSNER, BOLTE & PARTNER Widenmayerstrasse 48 D-80538 München / DE | Application number, filing date | 86115727.9 | 12.11.1986 | [1987/21] | Priority number, date | JP19850252635 | 13.11.1985 Original published format: JP 25263585 | [1987/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0222397 | Date: | 20.05.1987 | Language: | EN | [1987/21] | Type: | A3 Search report | No.: | EP0222397 | Date: | 07.06.1989 | Language: | EN | [1989/23] | Type: | B1 Patent specification | No.: | EP0222397 | Date: | 04.03.1992 | Language: | EN | [1992/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.04.1989 | Classification | IPC: | C22B34/32, C22B5/10, C22B9/04 | [1989/23] | CPC: |
C22B34/32 (EP,US);
C22B5/10 (EP,US)
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| Former IPC [1987/21] | C22B34/32 | Designated contracting states | AT, DE, FR, GB, IT [1987/21] | Title | German: | Verfahren zum Schmelzen und Reduzieren von Chromerzen | [1987/21] | English: | Method for melting and reducing chrome ore | [1987/21] | French: | Méthode pour la fusion et la réduction de minerais de chrome | [1987/21] | Examination procedure | 13.09.1989 | Examination requested [1989/45] | 15.02.1991 | Despatch of communication of intention to grant (Approval: Yes) | 22.05.1991 | Communication of intention to grant the patent | 23.08.1991 | Fee for grant paid | 23.08.1991 | Fee for publishing/printing paid | Opposition(s) | 05.12.1992 | No opposition filed within time limit [1993/08] | Fees paid | Renewal fee | 28.11.1988 | Renewal fee patent year 03 | 29.11.1989 | Renewal fee patent year 04 | 29.11.1990 | Renewal fee patent year 05 | 27.11.1991 | Renewal fee patent year 06 |
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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]US3252790 (KRIVSKY WILLIAM A); | [Y]US3508906 (BRUNER HENRY K); | [A]US3773496 (KNUPPEL H, et al); | [A]US3844768 (MORLET J, et al); | [A]US3854932 (BISHOP H); | [A]US4178173 (BROD HEINRICH [DE], et al); | [A]EP0079182 (BRITISH STEEL CORP [GB]); | [A]US4497656 (ROBERT EDGARDO J [AR]); | [YP]DE3442245 (NIPPON STEEL CORP [JP], et al) | [A] - CHEMICAL ABSTRACTS, vol. 84, 1976, page 161, abstract no. 182834q, Columbus, Ohio, US; K. KOZO et al.: "Studies on direct reduction of chromium oxide by solid carbon in a vacuum", & NIPPON KINZOKU GAKKAISHI 1976, 40(2), 187-92 |