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EP0246552
European procedure
Extract from the Register of European Patents
EP About this file: EP0246552
| EP0246552 - Optical fibre comprising a liquid core and a cladding made of a synthetic fluoride material [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.06.1992 Database last updated on 28.03.2026 | Most recent event Tooltip | 25.06.1992 | No opposition filed within time limit | published on 12.08.1992 [1992/33] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1987/48] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | Inventor(s) | 01 /
Fitz, Herbert, Dr. Kantstrasse 41 D-8269 Burgkirchen / DE | [1987/48] | Application number, filing date | 87106917.5 | 13.05.1987 | [1987/48] | Priority number, date | DE19863617005 | 21.05.1986 Original published format: DE 3617005 | [1987/48] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0246552 | Date: | 25.11.1987 | Language: | DE | [1987/48] | Type: | A3 Search report | No.: | EP0246552 | Date: | 08.02.1989 | Language: | DE | [1989/06] | Type: | B1 Patent specification | No.: | EP0246552 | Date: | 21.08.1991 | Language: | DE | [1991/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.12.1988 | Classification | IPC: | D01F8/10, G02B6/10 | [1987/48] | CPC: |
G02B6/032 (EP,US);
D01F8/10 (EP,US);
G02B1/046 (EP,US);
B29C48/00 (EP,US);
B29C48/03 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1987/48] | Title | German: | Lichtleiter mit flüssigem Kern und einer Umhüllung aus Fluorkunststoff | [1987/48] | English: | Optical fibre comprising a liquid core and a cladding made of a synthetic fluoride material | [1987/48] | French: | Fibre optique comportant un coeur liquide et une gaine de matière synthétique contenant du fluor | [1987/48] | Examination procedure | 25.07.1989 | Examination requested [1989/38] | 12.10.1990 | Despatch of communication of intention to grant (Approval: No) | 18.12.1990 | Despatch of communication of intention to grant (Approval: later approval) | 16.01.1991 | Communication of intention to grant the patent | 15.04.1991 | Fee for grant paid | 15.04.1991 | Fee for publishing/printing paid | Opposition(s) | 22.05.1992 | No opposition filed within time limit [1992/33] | Fees paid | Renewal fee | 08.04.1989 | Renewal fee patent year 03 | 11.04.1990 | Renewal fee patent year 04 | 21.12.1990 | Renewal fee patent year 05 |
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