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EP0296994
European procedure
Extract from the Register of European Patents
EP About this file: EP0296994
| EP0296994 - Polymers with imide groups without diamine, and process for their preparation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.05.1994 Database last updated on 06.11.2024 | Most recent event Tooltip | 12.05.1994 | No opposition filed within time limit | published on 29.06.1994 [1994/26] | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1992/46] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | ||
| Former [1988/52] | For all designated states RHONE-POULENC CHIMIE 25, Quai Paul Doumer F-92408 Courbevoie Cédex / FR | Inventor(s) | 01 /
Arpin, René 29, rue du Commandant-Faurax I-69006 Lyon / FR | [1988/52] | Representative(s) | (deleted) | [1992/46] |
| Former [1988/52] | Trolliet, Maurice, et al RHONE-POULENC INTERSERVICES Service Brevets Chimie Centre de Recherches des Carrières B.P. 62 F-69192 Saint-Fons Cédex / FR | Application number, filing date | 88420203.7 | 15.06.1988 | [1988/52] | Priority number, date | FR19870009000 | 23.06.1987 Original published format: FR 8709000 | FR19870017014 | 02.12.1987 Original published format: FR 8717014 | [1988/52] | Filing language | FR | Procedural language | FR | Publication | Type: | A2 Application without search report | No.: | EP0296994 | Date: | 28.12.1988 | Language: | FR | [1988/52] | Type: | A3 Search report | No.: | EP0296994 | Date: | 18.10.1989 | Language: | FR | [1989/42] | Type: | B1 Patent specification | No.: | EP0296994 | Date: | 07.07.1993 | Language: | FR | [1993/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.08.1989 | Classification | IPC: | C08F222/40, C08F220/30, C08G73/12 | [1988/52] | CPC: |
C08G73/127 (EP,KR,US);
C08F222/40 (KR);
C08F222/404 (EP,US);
C08G73/12 (EP,US);
C08G73/125 (EP,KR,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, LU, NL, SE [1988/52] | Title | German: | Polymere mit Imid-Gruppen ohne Diamin und Verfahren zu deren Herstellung | [1988/52] | English: | Polymers with imide groups without diamine, and process for their preparation | [1988/52] | French: | Polymères à groupements imides sans diamine et leur procédé de préparation | [1988/52] | Examination procedure | 14.03.1990 | Examination requested [1990/19] | 29.05.1991 | Despatch of a communication from the examining division (Time limit: M04) | 20.09.1991 | Reply to a communication from the examining division | 10.01.1992 | Despatch of a communication from the examining division (Time limit: M04) | 11.05.1992 | Reply to a communication from the examining division | 29.12.1992 | Despatch of communication of intention to grant (Approval: Yes) | 21.01.1993 | Communication of intention to grant the patent | 27.03.1993 | Fee for grant paid | 27.03.1993 | Fee for publishing/printing paid | Opposition(s) | 08.04.1994 | No opposition filed within time limit [1994/26] | Fees paid | Renewal fee | 11.06.1990 | Renewal fee patent year 03 | 04.06.1991 | Renewal fee patent year 04 | 04.06.1992 | Renewal fee patent year 05 | 26.04.1993 | Renewal fee patent year 06 |
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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 | AT | 07.07.1993 | [1994/19] | Documents cited: | Search | [AD]EP0167304 (BRITISH PETROLEUM CO PLC [GB]); | [A]EP0182919 (MITSUI PETROCHEMICAL IND [JP]) |