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EP0081152
European procedure
Extract from the Register of European Patents
EP About this file: EP0081152
| EP0081152 - Process for preparing acetic-anhydride and/or acetic-acid and/or ethylidene diacetate [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.02.1986 Database last updated on 31.08.2024 | Most recent event Tooltip | 31.10.1991 | Lapse of the patent in a contracting state New state(s): BE | published on 18.12.1991 [1991/51] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1983/24] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | Inventor(s) | 01 /
Vogt, Wilhelm, Dr. Bellerstrasse 74 D-5030 Hürth / DE | 02 /
Glaser, Hermann Magdalenenweg 16 D-5042 Erftstadt / DE | 03 /
Koch, Jürgen, Dr. Am Römerkanal 10a D-5040 Brühl / DE | [1983/24] | Application number, filing date | 82110896.6 | 25.11.1982 | [1983/24] | Priority number, date | DE19813148006 | 04.12.1981 Original published format: DE 3148006 | [1983/24] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0081152 | Date: | 15.06.1983 | Language: | DE | [1983/24] | Type: | B1 Patent specification | No.: | EP0081152 | Date: | 10.04.1985 | Language: | DE | [1985/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.04.1983 | Classification | IPC: | C07C53/12, C07C53/08, C07C69/16, C07C51/12, C07C51/56, C07C67/36, C07C67/37 | [1983/24] | CPC: |
C07C51/12 (EP);
C07C51/56 (EP)
| C-Set: |
C07C51/12, C07C53/08 (EP);
C07C51/56, C07C53/12 (EP) | Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL [1983/24] | Title | German: | Verfahren zur Herstellung von Essigsäureanhydrid und/oder Essigsäure und/oder Ethylidendiacetat | [1983/24] | English: | Process for preparing acetic-anhydride and/or acetic-acid and/or ethylidene diacetate | [1983/24] | French: | Procédé de préparation de l'anhydride acétique et/ou de l'acide acétique et/ou de diacétate d'ethylidène | [1983/24] | Examination procedure | 06.07.1983 | Examination requested [1983/37] | 02.04.1984 | Despatch of a communication from the examining division (Time limit: M04) | 10.07.1984 | Reply to a communication from the examining division | 11.09.1984 | Despatch of communication of intention to grant (Approval: ) | 25.09.1984 | Communication of intention to grant the patent | 03.12.1984 | Fee for grant paid | 03.12.1984 | Fee for publishing/printing paid | Opposition(s) | 11.01.1986 | No opposition filed within time limit [1986/13] | Fees paid | Renewal fee | 10.10.1984 | 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. | Lapses during opposition Tooltip | AT | 25.11.1985 | BE | 30.11.1985 | CH | 30.11.1985 | LI | 30.11.1985 | [1991/51] |
| Former [1989/21] | AT | 25.11.1985 | |
| CH | 30.11.1985 | ||
| LI | 30.11.1985 | ||
| Former [1987/22] | AT | 25.11.1985 | Documents cited: | Search | [Y]JP7665703 ; | [Y]JP7680813 ; | [A]GB1045050 (TOYO RAYON CO LTD); | [A]DE1618499 (HALCON INTERNATIONAL INC); | [Y]GB1326014 (JOHNSON MATTHEY CO LTD) | [Y] - CHEMICAL ABSTRACTS, Band 85, Nr. 13, 27. September 1976, Seite 592, Nr. 93872d, Columbus, Ohio, USA & JP - A - 76 65703 (MITSUI PETROCHEMICAL INDUSTRIES, LTD.) 07.06.1976, & JP7665703 A 00000000 | [Y] - CHEMICAL ABSTRACTS, Band 85, Nr. 19, 8. November 1976, Seite 489, Nr. 142677e, Columbus, Ohio, USA & JP - A - 76 80813 (MITSUI PETROCHEMICAL INDUSTRIES, LTD.) 15.07.1976, & JP7680813 A 00000000 |