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EP0681560
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EP About this file: EP0681560
| EP0681560 - PROCESS AND APPARATUS FOR THE EXTRACTION OF GIBBSITIC ALUMINA FROM BAUXITE [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 25.10.1996 Database last updated on 02.11.2024 | Most recent event Tooltip | 25.10.1996 | Application deemed to be withdrawn | published on 11.12.1996 [1996/50] | Applicant(s) | For all designated states ALCAN INTERNATIONAL LIMITED 1188 Sherbrooke Street West Montreal Quebec H3A 3G2 / CA | [N/P] |
| Former [1995/46] | For all designated states ALCAN INTERNATIONAL LIMITED 1188 Sherbrooke Street West Montreal Quebec H3A 3G2 / CA | Inventor(s) | 01 /
FULFORD, George, D. 28 Machar Place Kingston, Ontario K7M 1L6 / CA | 02 /
LAURIER, Jacques 4 Badminton Terrance Mandeville / JM | 03 /
MATSUBA, Toshihiro 138, Miho Shimizu-City Shizuok-pref. / JP | [1995/46] | Representative(s) | Gaunt, Robert John Stevens Hewlett & Perkins 1 St Augustine's Place Bristol BS1 4UD / GB | [N/P] |
| Former [1995/46] | Gaunt, Robert John Stevens, Hewlett & Perkins 1 Serjeants' Inn Fleet Street London EC4Y 1LL / GB | Application number, filing date | 94904925.8 | 21.01.1994 | [1995/46] | WO1994CA00028 | Priority number, date | US19930012033 | 01.02.1993 Original published format: US 12033 | [1995/46] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9418122 | Date: | 18.08.1994 | Language: | EN | [1994/19] | Type: | A1 Application with search report | No.: | EP0681560 | Date: | 15.11.1995 | Language: | EN | The application published by WIPO in one of the EPO official languages on 18.08.1994 takes the place of the publication of the European patent application. | [1995/46] | Search report(s) | International search report - published on: | EP | 18.08.1994 | Classification | IPC: | C01F7/06 | [1995/46] | CPC: |
C01F7/0626 (EP);
C01F7/0646 (EP)
| Designated contracting states | ES, IE, IT [1995/46] | Title | German: | VERFAHREN UND ANLAGE ZUR EXTRAKTION VON GIBBSITISCHEN ALUMINIUMHYDROXID AUS BAUXIT | [1995/46] | English: | PROCESS AND APPARATUS FOR THE EXTRACTION OF GIBBSITIC ALUMINA FROM BAUXITE | [1995/46] | French: | PROCEDE ET APPAREIL POUR L'EXTRACTION DE L'ALUMINE GIBBSITIQUE DE LA BAUXITE | [1995/46] | File destroyed: | 20.04.2002 | Entry into regional phase | 03.08.1995 | National basic fee paid | 03.08.1995 | Designation fee(s) paid | 03.08.1995 | Examination fee paid | Examination procedure | 08.06.1994 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 03.08.1995 | Examination requested [1995/46] | 11.01.1996 | Despatch of a communication from the examining division (Time limit: M04) | 22.05.1996 | Application deemed to be withdrawn, date of legal effect [1996/50] | 16.07.1996 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1996/50] | Fees paid | Renewal fee | 27.12.1995 | Renewal fee patent year 03 |
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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. | Cited in | International search | [DA]US4055218 (KAMPF FRITZ, et al); | [DA]US4144934 (KAMPF FRITZ, et al); | [DY]EP0382383 (ALCAN INT LTD [CA]) [DY] 1-11 * see column 4, lines 24-46; column 5, lines 25-29; example ; claims *; | [PX]EP0564659 (SUMITOMO CHEMICAL CO [JP]) [PX] 1-11 * see page 6, lines46-56; page 7, lines 15-17; page 8, lines 48-49; claims; figure 1 * | [Y] - E. BARTHOLOMÉ, Ullmanns Encyklopädie der technischen Chemie, 4th. Ed, WEINHEIM (DE), VERLAG CHEMIE, (1974) [Y] 1-11 * page 312, column L, paragraphs 2-5 * |