EP0022164 - A process for the preparation of 1,4-butynediol and related catalyst [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 08.10.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states SISAS SOCIETA'ITALIANA SERIE ACETICA E SINTETICA SPA Largo Corsia dei Servi 3 I-20122 Milano / IT | [1981/02] | Inventor(s) | 01 /
Codignola, Franco Via Zanardelli 31 I-25014 Castenedolo Brescia / IT | 02 /
Gronchi, Paolo Via Servio Tulio 4 I-20100 Milano / IT | 03 /
Vergini, Giorgio Via Venini 49 I-20100 Milano / IT | 04 /
Dell Rosso, Renato Via Palmanova 67 I-20132 Milano / IT | [1981/02] | Representative(s) | Bühling, Gerhard, et al Patentanwaltsbüro Tiedtke-Bühling-Kinne-Grupe-Pellmann-Dragotti Bavariaring 4 D-8000 München 2 / DE | [N/P] |
Former [1981/02] | Bühling, Gerhard, Dipl.-Chem., et al Patentanwaltsbüro Tiedtke-Bühling-Kinne-Grupe-Pellmann-Dragotti Bavariaring 4 D-8000 München 2 / DE | Application number, filing date | 80102863.0 | 22.05.1980 | [1981/02] | Priority number, date | IT19790023656 | 15.06.1979 Original published format: IT 2365679 | [1981/02] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0022164 | Date: | 14.01.1981 | Language: | EN | [1981/02] | Type: | B1 Patent specification | No.: | EP0022164 | Date: | 12.01.1983 | Language: | EN | [1983/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.09.1980 | Classification | IPC: | C07C33/046, C07C29/00, B01J31/06 | [1981/02] | CPC: |
C07C33/046 (EP);
B01J31/1658 (EP);
B01J31/181 (EP);
B01J2231/341 (EP);
B01J2531/16 (EP);
B01J2531/18 (EP);
| Designated contracting states | DE, FR, GB, SE [1981/02] | Title | German: | Verfahren zur Herstellung von 1.4-Butindiol und Katalysator hierfür | [1981/02] | English: | A process for the preparation of 1,4-butynediol and related catalyst | [1981/02] | French: | Procédé de préparation de 1,4-butyne-diol et catalyseur à cet effet | [1981/02] | File destroyed: | 12.06.1999 | Examination procedure | 09.07.1981 | Examination requested [1981/38] | 18.12.1981 | Despatch of a communication from the examining division (Time limit: M02) | 18.02.1982 | Reply to a communication from the examining division | 24.05.1982 | Despatch of communication of intention to grant (Approval: ) | 23.07.1982 | Communication of intention to grant the patent | 13.10.1982 | Fee for grant paid | 13.10.1982 | Fee for publishing/printing paid | Opposition(s) | 12.10.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 14.04.1982 | 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 | SE | 12.01.1983 | [1983/43] | Documents cited: | Search | DE2429269 [ ] | [ ] - CHEMICAL ABSTRACTS Vol. 84, No. 26, 1976 Columbus, Ohio, USA E. TSUCHIDA et al. "Effect of nonpolar field formed by polymer ligand on the oxidation of 2.6-xylenol catalyzed by copper complexes" page 6, column 1, Abstract No. 180726g & J. Polym. Sci., Polym. Chem. Ed., Vol. 14, No. 4, 1976, pages 825 to 832 (Eng). | [ ] - INDUSTRIAL AND ENGINEERING CHEMISTRY. PRODUCT RESEARCH AND DEVELOPMENT, Vol. 17, No. 2, 1978 Columbus, Ohio, USA H. HAYASHI "Oxidative Coupling of Diphenylmethanimine Catalyzed by Copper-Loaded Copolymers of 4-Vinylpyridine and Divinylbenzene 1" pages 128 to 133 * | Examination | - INDUSTRIAL AND ENFINEERING CHEMISTRY. PRODUCT RESEARCH AND DEVELOPMENT, Vol. 17, No. 2, 1978 Columbus, Ohio, USA H. HAYASHI "Oxidative Coupling of Diphenylmethanimine Catalyzed by Copper-Loaded Copolymers of 4-Vinyl-pyridine and Divinylbenzene" pages 128 to 133 |