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EP0021381
European procedure
Extract from the Register of European Patents
EP About this file: EP0021381
| EP0021381 - Process for the recovery of pyrolysis energy in the preparation of vinyl chloride through thermal cracking of 1.2-dichloroethane [Right-click to bookmark this link] | |||
| Former [1981/01] | Process for the preparation of vinyl chloride by thermic split-off of 1.2-dichloro ethane | ||
| [1983/11] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 08.04.2026 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states Uhde GmbH Friedrich-Uhde-Strasse 15 44141 Dortmund / DE | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1981/01] | For all designated states Uhde GmbH Friedrich-Uhde-Strasse 15 D-44141 Dortmund / DE | ||
| For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | Inventor(s) | 01 /
Link, Gerhard, Dipl.-Ing. Jakob-Steffanstrasse 14 D-6500 Mainz / DE | 02 /
Fröhlich, Walter, Dr. Dipl.-Chem. Kampenwandstrasse 11 D-8261 Burgkirchen / DE | 03 /
Riedl, Josef, Dr. Dipl.-Chem. Kantstrasse 53 D-8261 Burgkirchen / DE | 04 /
Krumböck, Reinhard, Dipl.-Ing. Lohnerstrasse 40 D-8261 Burgkirchen / DE | [1981/01] | Application number, filing date | 80103494.3 | 21.06.1980 | [1981/01] | Priority number, date | DE19792925720 | 26.06.1979 Original published format: DE 2925720 | [1981/01] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0021381 | Date: | 07.01.1981 | Language: | DE | [1981/01] | Type: | B1 Patent specification | No.: | EP0021381 | Date: | 16.03.1983 | Language: | DE | [1983/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.10.1980 | Classification | IPC: | C07C21/06, C07C17/34 | [1981/01] | CPC: |
C07C17/25 (EP);
Y02P20/50 (EP)
| C-Set: |
C07C17/25, C07C21/06 (EP)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1981/01] | Title | German: | Verfahren zur Rückgewinnung von Pyrolyseenergie bei der Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan | [1983/11] | English: | Process for the recovery of pyrolysis energy in the preparation of vinyl chloride through thermal cracking of 1.2-dichloroethane | [1983/11] | French: | Procédé pour la récupération de l'energie de pyrolyse dans la préparation de chlorure de vinyle par craquage thermique du dichloroéthane | [1983/11] |
| Former [1981/01] | Verfahren zur Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan | ||
| Former [1981/01] | Process for the preparation of vinyl chloride by thermic split-off of 1.2-dichloro ethane | ||
| Former [1981/01] | Procédé de préparation de chlorure de vinyle par clivage thermique de 1.2-dichloroéthane | Examination procedure | 16.02.1981 | Examination requested [1981/20] | 16.10.1981 | Despatch of a communication from the examining division (Time limit: M02) | 17.12.1981 | Reply to a communication from the examining division | 18.05.1982 | Despatch of communication of intention to grant (Approval: ) | 09.08.1982 | Communication of intention to grant the patent | 09.10.1982 | Fee for grant paid | 09.10.1982 | Fee for publishing/printing paid | Opposition(s) | 16.12.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 13.09.1982 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 30.06.1982 | 03 M06 Fee paid on 13.09.1982 |
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