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EP0321403
European procedure
Extract from the Register of European Patents
EP About this file: EP0321403
| EP0321403 - Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bond through ether groups and hydrogel contact lenses made therefrom [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.11.1994 Database last updated on 15.11.2024 | Most recent event Tooltip | 12.11.1994 | No opposition filed within time limit | published on 04.01.1995 [1995/01] | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1989/25] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Goldenberg, Merrill 626 Kent Avenue Teaneck New Jersey 07666 / US | [1989/25] | Application number, filing date | 88810845.3 | 07.12.1988 | [1989/25] | Priority number, date | US19870133575 | 16.12.1987 Original published format: US 133575 | [1989/25] | Filing language | EN | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0321403 | Date: | 21.06.1989 | Language: | EN | [1989/25] | Type: | A3 Search report | No.: | EP0321403 | Date: | 27.12.1990 | Language: | EN | [1990/52] | Type: | B1 Patent specification | No.: | EP0321403 | Date: | 12.01.1994 | Language: | DE | [1994/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.11.1990 | Classification | IPC: | G02B1/04 | [1989/25] | CPC: |
G02B1/043 (EP,US);
C08F290/12 (EP,US)
| C-Set: |
G02B1/043, C08L29/00 (EP,US);
G02B1/043, C08L51/06 (US,EP) | Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/25] | Title | German: | Polyvinylalkoholderivate, die über Äthergruppen gebundene Seitengruppen enthalten und von diesen Monomeren abgeleitete Hydrogel-Kontaktlinsen | [1989/25] | English: | Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bond through ether groups and hydrogel contact lenses made therefrom | [1989/25] | French: | Dérivés d'alcool polyvinylique contenant des groupes latéraux vinyliques liés par des groupes éther et lentilles de contact préparées à partir desdits monomères | [1989/25] | Examination procedure | 09.12.1988 | Examination requested [1989/25] | 01.03.1993 | Despatch of communication of intention to grant (Approval: Yes) | 12.07.1993 | Communication of intention to grant the patent | 06.09.1993 | Fee for grant paid | 06.09.1993 | Fee for publishing/printing paid | Opposition(s) | 13.10.1994 | No opposition filed within time limit [1995/01] | Fees paid | Renewal fee | 03.11.1990 | Renewal fee patent year 03 | 17.10.1991 | Renewal fee patent year 04 | 28.10.1992 | Renewal fee patent year 05 | 30.10.1993 | 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. | Documents cited: | Search | [Y]EP0021131 (HOECHST AG [DE]); | [A]EP0077295 (AGRIPAT SA [CH]); | [A]EP0093944 (AGRIPAT SA [CH]); | [A]EP0189375 (CIBA GEIGY AG [CH]); | [Y]EP0216074 (CIBA GEIGY AG [CH]); | [YD]US4670506 (GOLDENBERG MERRILL [US], et al); | [A]EP0226079 (BASF AG [DE]) |