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EP0034718
European procedure
Extract from the Register of European Patents
EP About this file: EP0034718
| EP0034718 - Process for producing aromatic sulfonyl halides [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.09.1984 Database last updated on 28.06.2024 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1981/35] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Blank, Heinz Ulrich, Dr. Am Geusfelde 35 D-5068 Odenthal / DE | 02 /
Wolters, Erich, Dr. Streffenweg 22 D-5162 Niederzier / DE | 03 /
Langenfeld, Norbert, Dr. Hofstrasse 53 D-5000 Koeln 80 / DE | [1981/35] | Application number, filing date | 81100612.1 | 28.01.1981 | [1981/35] | Priority number, date | DE19803004693 | 08.02.1980 Original published format: DE 3004693 | [1981/35] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0034718 | Date: | 02.09.1981 | Language: | DE | [1981/35] | Type: | A3 Search report | No.: | EP0034718 | Date: | 10.03.1982 | Language: | DE | [1982/10] | Type: | B1 Patent specification | No.: | EP0034718 | Date: | 23.11.1983 | Language: | DE | [1983/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.01.1982 | Classification | IPC: | C07C143/70, C07C63/10, C07C63/06, C07C139/00, C07C51/58, C07C51/00 | [1982/10] | CPC: |
C07C309/00 (EP,US);
C07C51/58 (EP,US)
| C-Set: |
C07C51/58, C07C63/10 (EP,US)
|
| Former IPC [1981/35] | C07C143/70, C07C63/10 | Designated contracting states | BE, CH, DE, FR, GB, IT, LI [1981/35] | Title | German: | Verfahren zur Herstellung von aromatischen Sulfonsäurehalogeniden | [1981/35] | English: | Process for producing aromatic sulfonyl halides | [1981/35] | French: | Procédé de préparation d'halogénures d'acides sulfoniques aromatiques | [1981/35] | Examination procedure | 28.01.1981 | Examination requested [1981/35] | 08.10.1982 | Despatch of a communication from the examining division (Time limit: M04) | 15.11.1982 | Reply to a communication from the examining division | 07.02.1983 | Despatch of communication of intention to grant (Approval: ) | 29.04.1983 | Communication of intention to grant the patent | 09.05.1983 | Fee for grant paid | 09.05.1983 | Fee for publishing/printing paid | Opposition(s) | 24.08.1984 | No opposition filed within time limit [1984/48] | Fees paid | Renewal fee | 15.01.1983 | Renewal fee patent year 03 |
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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 | [AD]DE574836 (IG FARBENINDUSTRIE AG); | [AD]US3686301 (KIRCH LAWRENCE S); | [A]CH574896 (HOECHST AG); | [AP]EP0009205 (BAYER AG [DE]) |