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EP0379284
European procedure
Extract from the Register of European Patents
EP About this file: EP0379284
| EP0379284 - Styrene-based polymer and method for the preparation thereof [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 10.07.1998 Database last updated on 03.09.2024 | Most recent event Tooltip | 23.07.2004 | Lapse of the patent in a contracting state New state(s): ES | published on 08.09.2004 [2004/37] | Applicant(s) | For all designated states IDEMITSU PETROCHEMICAL CO., LTD. 6-1, Shiba 5-chome Minato-ku, Tokyo-to / JP | [1996/09] |
| Former [1990/30] | For all designated states IDEMITSU PETROCHEMICAL CO. LTD. 1-1, Marunouchi 3-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Nakamura, Shinichi 1660, Kamiizumi, Sodegaura-machi Kimitsu-gun, Chiba-ken / JP | [1990/30] | Representative(s) | Baldock, Sharon Claire, et al Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT / GB | [N/P] |
| Former [1996/09] | Baldock, Sharon Claire, et al Boult, Wade & Tennant 27 Furnival Street London EC4A 1PQ / GB | ||
| Former [1990/30] | Baverstock, Michael George Douglas, et al BOULT, WADE & TENNANT 27 Furnival Street London, EC4A 1PQ / GB | Application number, filing date | 90300166.7 | 08.01.1990 | [1990/30] | Priority number, date | JP19890002267 | 09.01.1989 Original published format: JP 226789 | [1990/30] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0379284 | Date: | 25.07.1990 | Language: | EN | [1990/30] | Type: | A3 Search report | No.: | EP0379284 | Date: | 27.12.1990 | Language: | EN | [1990/52] | Type: | B1 Patent specification | No.: | EP0379284 | Date: | 24.03.1993 | Language: | EN | [1993/12] | Type: | B2 New European patent specification | No.: | EP0379284 | Date: | 26.08.1998 | Language: | EN | [1998/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.11.1990 | Classification | IPC: | C08F212/04 | [1990/30] | CPC: |
C08F212/04 (EP,US);
C08F212/08 (KR)
| Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1990/30] | Title | German: | Polymer auf der Basis von Styrol und Verfahren zu dessen Herstellung | [1990/30] | English: | Styrene-based polymer and method for the preparation thereof | [1990/30] | French: | Polymères à base de styrène et procédé de leur préparation | [1990/30] | Examination procedure | 17.12.1990 | Examination requested [1991/08] | 27.04.1992 | Despatch of communication of intention to grant (Approval: No) | 30.07.1992 | Despatch of communication of intention to grant (Approval: later approval) | 10.08.1992 | Communication of intention to grant the patent | 13.11.1992 | Fee for grant paid | 13.11.1992 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
06.10.1993
18.10.1993
ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | [N/P] |
| Former [1993/47] | |||
| Opponent(s) | 01
06.10.1993
18.10.1993
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 02.02.1994 | Invitation to proprietor to file observations on the notice of opposition | 26.05.1994 | Reply of patent proprietor to notice(s) of opposition | 12.12.1994 | Despatch of a communication from the opposition division (Time limit: M04) | 14.04.1995 | Reply to a communication from the opposition division | 04.12.1995 | Despatch of a communication from the opposition division (Time limit: M06) | 07.06.1996 | Reply to a communication from the opposition division | 18.11.1997 | Legal effect of interlocutory decision in opposition | 18.11.1997 | Date of oral proceedings | 10.12.1997 | Despatch of interlocutory decision in opposition | 10.12.1997 | Despatch of minutes of oral proceedings | 23.03.1998 | Despatch of communication that the patent will be maintained as amended | 23.06.1998 | Fee for printing new specification paid | Fees paid | Renewal fee | 18.11.1991 | Renewal fee patent year 03 | 11.01.1993 | Renewal fee patent year 04 |
| 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 | NL | 24.03.1993 | ES | 09.01.1998 | SE | 09.01.1998 | CH | 31.01.1998 | LI | 31.01.1998 | [2004/37] |
| Former [2003/07] | NL | 24.03.1993 | |
| SE | 09.01.1998 | ||
| CH | 31.01.1998 | ||
| LI | 31.01.1998 | ||
| Former [2000/17] | SE | 09.01.1998 | |
| CH | 31.01.1998 | ||
| LI | 31.01.1998 | ||
| Former [1998/44] | SE | 09.01.1998 | Documents cited: | Search | [A]EP0245081 (ATLANTIC RICHFIELD CO [US]) |