-
EP0438819
European procedure
Extract from the Register of European Patents
EP About this file: EP0438819
| EP0438819 - Photochromatic compound, a method for its preparation, and articles which contain it [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.04.1997 Database last updated on 02.09.2024 | Most recent event Tooltip | 23.12.1999 | Lapse of the patent in a contracting state | published on 09.02.2000 [2000/06] | Applicant(s) | For all designated states GREAT LAKES CHEMICAL ITALIA S.r.l. Via Cornaggia 10 20123 Milano / IT | [1996/05] |
| Former [1991/31] | For all designated states ENICHEM SYNTHESIS S.p.A. Via Ruggero Settimo 55 I-90139 Palermo / IT | Inventor(s) | 01 /
Neri, Carlo Via Europa 32 I-20097 San Donato Milanese, Milan / IT | 02 /
Giroldini, William Via Pascoli 36 I-20097 San Donato Milanese, Milan / IT | 03 /
Rinaldi, Antonio Via E. Fermi 8/c I-20097 San Donato Milanese, Milan / IT | 04 /
Crisci, Luciana Via Statuto 2 I-20079 Sant'Angelo Lodigiano, Milan / IT | [1991/31] | Representative(s) | Fusina, Gerolamo, et al Ing. Barzanò & Zanardo Milano S.p.A, Via Borgonuovo, 10 20121 Milano / IT | [N/P] |
| Former [1996/21] | Fusina, Gerolamo, et al Ing. Barzanò & Zanardo Milano S.p.A, Via Borgonuovo, 10 I-20121 Milano / IT | ||
| Former [1994/11] | De Carli, Erberto, et al ING. BARZANO & ZANARDO MILANO S.p.A. Via Borgonuovo, 10 I-20121 Milano / IT | ||
| Former [1991/31] | Roggero, Sergio Ing. Barzanò & Zanardo Milano S.p.A. Via Borgonuovo 10 I-20121 Milano / IT | Application number, filing date | 90203279.6 | 12.12.1990 | [1991/31] | Priority number, date | IT19890022796 | 21.12.1989 Original published format: IT 2279689 | [1991/31] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0438819 | Date: | 31.07.1991 | Language: | EN | [1991/31] | Type: | B1 Patent specification | No.: | EP0438819 | Date: | 22.05.1996 | Language: | EN | [1996/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.05.1991 | Classification | IPC: | C07D235/02, G03C1/73, B41M3/14, C07D401/04, C07D403/04 | [1991/31] | CPC: |
C07D235/02 (EP,US);
B41M3/142 (EP,US);
C07D401/04 (EP,US);
C07D403/04 (EP,US);
G03C1/73 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, LI, LU, NL, SE [1991/31] | Title | German: | Photochrome Verbindung, Verfahren zur Herstellung und diese enthaltende Körper | [1991/31] | English: | Photochromatic compound, a method for its preparation, and articles which contain it | [1991/31] | French: | Composé photochrome, procédé de préparation, et objets le contenant | [1991/31] | Examination procedure | 04.07.1991 | Examination requested [1991/35] | 28.03.1994 | Despatch of a communication from the examining division (Time limit: M04) | 09.06.1994 | Reply to a communication from the examining division | 23.10.1995 | Despatch of communication of intention to grant (Approval: Yes) | 24.11.1995 | Communication of intention to grant the patent | 05.01.1996 | Fee for grant paid | 05.01.1996 | Fee for publishing/printing paid | Opposition(s) | 25.02.1997 | No opposition filed within time limit [1997/21] | Fees paid | Renewal fee | 17.11.1992 | Renewal fee patent year 03 | 18.11.1993 | Renewal fee patent year 04 | 17.11.1994 | Renewal fee patent year 05 | 08.12.1995 | Renewal fee patent year 06 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | LU | 31.12.1996 | [2000/06] | Documents cited: | Search | [AD]DE3609320 (BASF AG [DE]) | [A] - CHEMISCHE BERICHTE, vol. 102, no. 12, 15th July 1969, pages 4177-4187, Weinheim, DE; K. VOLKAMER et al.: "Über arylsubstituierte 1-Hydroxy-imidazole une 1-Hydroxy-imidazol-N3-oxide" |