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EP0306453
European procedure
Extract from the Register of European Patents
EP About this file: EP0306453
| EP0306453 - Process for the preparation of 2-(2-chloroethoxy)-benzosulfon amide [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.11.1993 Database last updated on 10.12.2024 | Most recent event Tooltip | 20.11.1993 | No opposition filed within time limit | published on 12.01.1994 [1994/02] | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1989/10] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Hanreich, Reinhard Georg, Dr. Stöberstrasse 14 CH-4055 Basel / CH | [1989/10] | Application number, filing date | 88810584.8 | 25.08.1988 | [1989/10] | Priority number, date | US19870093436 | 04.09.1987 Original published format: US 93436 | US19880197480 | 23.05.1988 Original published format: US 197480 | [1989/10] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0306453 | Date: | 08.03.1989 | Language: | DE | [1989/10] | Type: | A3 Search report | No.: | EP0306453 | Date: | 18.04.1990 | Language: | DE | [1990/16] | Type: | B1 Patent specification | No.: | EP0306453 | Date: | 20.01.1993 | Language: | DE | [1993/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.03.1990 | Classification | IPC: | C07C311/16 | [1993/03] | CPC: |
C07C311/29 (EP,US);
C07C381/12 (EP,US)
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| Former IPC [1989/10] | C07C143/78 | Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL [1989/10] | Title | German: | Verfahren zur Herstellung von 2-(2-Chloroäthoxy)-benzosulfonamid | [1989/10] | English: | Process for the preparation of 2-(2-chloroethoxy)-benzosulfon amide | [1989/10] | French: | Procédé pour la préparation du 2-(2-chloroéthoxy)-benzosulfonamide | [1989/10] | Examination procedure | 27.08.1988 | Examination requested [1989/10] | 30.03.1992 | Despatch of communication of intention to grant (Approval: Yes) | 29.06.1992 | Communication of intention to grant the patent | 31.08.1992 | Fee for grant paid | 31.08.1992 | Fee for publishing/printing paid | Opposition(s) | 21.10.1993 | No opposition filed within time limit [1994/02] | Fees paid | Renewal fee | 22.06.1990 | Renewal fee patent year 03 | 18.06.1991 | Renewal fee patent year 04 | 02.07.1992 | Renewal fee patent year 05 |
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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 | [A]DE2623447 (CHOAY SA); | [A]DE2833021 (UBE INDUSTRIES); | [AD]EP0044808 (CIBA GEIGY AG [CH]); | [A]EP0143627 (LILLY CO ELI [US]); | [A]US4556733 (SULLIVAN THOMAS A [US], et al); | [XP]EP0237480 (CIBA GEIGY AG [CH]) |