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EP0489087
European procedure
Extract from the Register of European Patents
EP About this file: EP0489087
| EP0489087 - SUPERCONDUCTING METAL OXIDE COMPOSITIONS AND PROCESSES FOR MANUFACTURE AND USE [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.07.1995 Database last updated on 18.01.2025 | Most recent event Tooltip | 29.07.1995 | No opposition filed within time limit | published on 20.09.1995 [1995/38] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1992/24] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
SUBRAMANIAN, Munirpallam, Appadorai 119 Dutton Drive New Castle, DE 19720 / US | [1992/24] | Representative(s) | Jones, Alan John CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | [N/P] |
| Former [1992/24] | Jones, Alan John CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | Application number, filing date | 90913099.9 | 17.07.1990 | [1992/24] | WO1990US03901 | Priority number, date | US19890390944 | 09.08.1989 Original published format: US 390944 | [1992/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9101941 | Date: | 21.02.1991 | Language: | EN | [1991/05] | Type: | A1 Application with search report | No.: | EP0489087 | Date: | 10.06.1992 | Language: | EN | The application published by WIPO in one of the EPO official languages on 21.02.1991 takes the place of the publication of the European patent application. | [1992/24] | Type: | B1 Patent specification | No.: | EP0489087 | Date: | 28.09.1994 | Language: | EN | [1994/39] | Search report(s) | International search report - published on: | US | 21.02.1991 | (Supplementary) European search report - dispatched on: | EP | 04.12.1992 | Classification | IPC: | C01G29/00, C04B35/00 | [1994/39] | CPC: |
C01G29/006 (EP);
C04B35/45 (EP);
C04B35/4512 (EP);
C04B35/4521 (EP);
H10N60/857 (EP);
C01P2002/72 (EP);
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| Former IPC [1992/24] | C01F11/02, C01G3/02, C01G15/00, C01G29/00 | Designated contracting states | BE, DE, FR, GB, IT, NL [1992/24] | Title | German: | SUPRALEITFÄHIGE METALLOXIDE, ZUSAMMENSETZUNGEN UND VERFAHREN ZUR HERSTELLUNG SOWIE DEREN VERWENDUNG | [1992/24] | English: | SUPERCONDUCTING METAL OXIDE COMPOSITIONS AND PROCESSES FOR MANUFACTURE AND USE | [1992/24] | French: | COMPOSITIONS D'OXYDE METALLIQUE SUPRACONDUCTRICES ET PROCEDES DE FABRICATION ET D'UTILISATION DE CELLES-CI | [1992/24] | Entry into regional phase | 05.03.1992 | National basic fee paid | 05.03.1992 | Search fee paid | 05.03.1992 | Designation fee(s) paid | 05.03.1992 | Examination fee paid | Examination procedure | 28.01.1991 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 05.03.1992 | Examination requested [1992/24] | 13.08.1993 | Despatch of communication of intention to grant (Approval: Yes) | 27.12.1993 | Communication of intention to grant the patent | 08.03.1994 | Fee for grant paid | 08.03.1994 | Fee for publishing/printing paid | Opposition(s) | 29.06.1995 | No opposition filed within time limit [1995/38] | Fees paid | Renewal fee | 05.03.1992 | Renewal fee patent year 03 | 12.07.1993 | Renewal fee patent year 04 | 07.07.1994 | Renewal fee patent year 05 |
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