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EP0348345
European procedure
Extract from the Register of European Patents
EP About this file: EP0348345
| EP0348345 - Solution stable polyimide resin systems [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.12.1996 Database last updated on 28.03.2026 | Most recent event Tooltip | 07.02.1997 | Lapse of the patent in a contracting state | published on 26.03.1997 [1997/13] | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1989/52] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Maw, Taishih 8E ScenicView Yorktown Heights New York 10598 / US | 02 /
Kritchevsky, Gina 6 Contemporary Drive Danbury Connecticut 06811 / US | 03 /
Cheng, Chi-Wen Frank 23 Forest Ridge Road Spring Valley New York 10977 / US | [1989/52] | Application number, filing date | 89810444.3 | 13.06.1989 | [1989/52] | Priority number, date | US19880209381 | 20.06.1988 Original published format: US 209381 | [1989/52] | Filing language | EN | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0348345 | Date: | 27.12.1989 | Language: | EN | [1989/52] | Type: | A3 Search report | No.: | EP0348345 | Date: | 06.03.1991 | Language: | EN | [1991/10] | Type: | B1 Patent specification | No.: | EP0348345 | Date: | 14.02.1996 | [1996/07] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.01.1991 | Classification | IPC: | C08F222/40, C08G73/12, C08J5/24 | [1991/07] | CPC: |
C08J3/244 (EP,KR);
C08F222/402 (KR);
C08G73/12 (EP,KR);
H05K1/0346 (EP,KR);
C08J2379/08 (EP,KR)
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| Former IPC [1989/52] | C08G73/12, C08J5/24 | Designated contracting states | AT, CH, DE, FR, GB, IT, LI, SE [1989/52] | Title | German: | Lösungsmittelstabile Polyimidharzsysteme | [1989/52] | English: | Solution stable polyimide resin systems | [1989/52] | French: | Systèmes du résine polyimide résistant au solvant | [1989/52] | Examination procedure | 15.06.1989 | Examination requested [1989/52] | 10.12.1993 | Despatch of a communication from the examining division (Time limit: M04) | 14.04.1994 | Reply to a communication from the examining division | 13.06.1994 | Despatch of a communication from the examining division (Time limit: M04) | 14.10.1994 | Reply to a communication from the examining division | 28.03.1995 | Despatch of communication of intention to grant (Approval: Yes) | 20.07.1995 | Communication of intention to grant the patent | 09.10.1995 | Fee for grant paid | 09.10.1995 | Fee for publishing/printing paid | Opposition(s) | 15.11.1996 | No opposition filed within time limit [1997/07] | Fees paid | Renewal fee | 30.04.1991 | Renewal fee patent year 03 | 25.04.1992 | Renewal fee patent year 04 | 26.04.1993 | Renewal fee patent year 05 | 18.05.1994 | Renewal fee patent year 06 | 12.05.1995 | Renewal fee patent year 07 |
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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. | Lapses during opposition Tooltip | CH | 14.02.1996 | LI | 14.02.1996 | [1997/13] |