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EP0444736
European procedure
Extract from the Register of European Patents
EP About this file: EP0444736
| EP0444736 - Process for preparing mixed zirconium and yttrium oxide powders [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.10.1995 Database last updated on 24.08.2024 | Most recent event Tooltip | 12.10.1995 | No opposition filed within time limit | published on 29.11.1995 [1995/48] | Applicant(s) | For all designated states ENIRICERCHE S.p.A. Corso Venezia 16 20121 Milano / IT | [N/P] |
| Former [1991/36] | For all designated states ENIRICERCHE S.p.A. Corso Venezia 16 I-20121 Milan / IT | Inventor(s) | 01 /
Castellano, Maurizio Via Timermans 17/15 I-10146 Turin / IT | 02 /
Lockhart, Thomas Paul Via Europa, 30 I-20097 San Donato Milanese, Milan / IT | 03 /
Marcotullio, Armando Via Trento, 4 I-20097 San Donato Milanese, Milan / IT | [1991/36] | Representative(s) | Fusina, Gerolamo, et al Ing. Barzanò & Zanardo Milano S.p.A, Via Borgonuovo, 10 20121 Milano / IT | [N/P] |
| Former [1994/49] | Fusina, Gerolamo, et al Ing. Barzanò & Zanardo Milano S.p.A, Via Borgonuovo, 10 I-20121 Milano / IT | ||
| Former [1994/11] | De Carli, Erberto ING. BARZANO & ZANARDO MILANO S.p.A. Via Borgonuovo, 10 I-20121 Milano / IT | ||
| Former [1991/36] | Roggero, Sergio Ing. Barzanò & Zanardo Milano S.p.A. Via Borgonuovo 10 I-20121 Milano / IT | Application number, filing date | 91200348.0 | 19.02.1991 | [1991/36] | Priority number, date | IT19900019473 | 23.02.1990 Original published format: IT 1947390 | [1991/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0444736 | Date: | 04.09.1991 | Language: | EN | [1991/36] | Type: | B1 Patent specification | No.: | EP0444736 | Date: | 07.12.1994 | Language: | EN | [1994/49] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.07.1991 | Classification | IPC: | C01G25/02 | [1991/36] | CPC: |
B82Y30/00 (EP,US);
C01G25/02 (EP,US);
C01P2004/32 (EP,US);
C01P2004/50 (EP,US);
C01P2004/61 (EP,US);
C01P2004/62 (EP,US);
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, LI, LU, NL, SE [1991/36] | Title | German: | Verfahren zur Herstellung von Pulvern aus gemischten Zirkonium- und Yttriumoxiden | [1991/36] | English: | Process for preparing mixed zirconium and yttrium oxide powders | [1991/36] | French: | Procédé pour la préparation de poudres d'oxydes mixtes de zirconium et d'yttrium | [1991/36] | Examination procedure | 25.09.1991 | Examination requested [1991/48] | 24.03.1994 | Despatch of communication of intention to grant (Approval: Yes) | 20.04.1994 | Communication of intention to grant the patent | 12.07.1994 | Fee for grant paid | 12.07.1994 | Fee for publishing/printing paid | Opposition(s) | 08.09.1995 | No opposition filed within time limit [1995/48] | Fees paid | Renewal fee | 11.01.1993 | Renewal fee patent year 03 | 20.01.1994 | 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]EP0224375 (MINNESOTA MINING & MFG [US]); | [A]EP0310480 (RHONE POULENC CHIMIE [FR]) |