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EP0034871
European procedure
Extract from the Register of European Patents
EP About this file: EP0034871
| EP0034871 - Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 09.07.1993 Database last updated on 01.04.2026 | Most recent event Tooltip | 28.08.2009 | Change - opposition data/opponents data or that of the opponents representative | published on 30.09.2009 [2009/40] | Applicant(s) | For all designated states Blaschim S.p.A. Via Vittor Pisani, 28 I-20124 Milano / IT | [N/P] |
| Former [1983/52] | For all designated states BLASCHIM S.p.A. Via Vittor Pisani, 28 I-20124 Milano / IT | ||
| Former [1981/35] | For all designated states Blaschim S.p.A. Via Vittor Pisani, 28 I-20124 Milano / IT | Inventor(s) | 01 /
Giordano, Claudio Via Carlo Porta 16 I-20052 - Monza (Milano) / IT | 02 /
Belli, Aldo Via XXIII Marzo 114 I-28100 - Novara / IT | 03 /
Uggeri, Fulvio Via Grossi 21 I-20073 - Codogno (Milano) / IT | 04 /
Villa, Giovanni Via Besozzi 5 I-22068 - Monticello Brianza, Como / IT | [1981/35] | Representative(s) | Vossius & Partner Patentanwälte Rechtsanwälte mbB, et al Siebertstrasse 3 81675 München / DE | [N/P] |
| Former [1987/18] | VOSSIUS & PARTNER, et al Postfach 86 07 67 D-81634 München / DE | ||
| Former [1981/35] | Marchi, Massimo c/o Marchi & Mittler s.r.l. Viale Lombardia 20 I-20131 Milano / IT | Application number, filing date | 81200210.3 | 23.02.1981 | [1981/35] | Priority number, date | IT19800020187 | 26.02.1980 Original published format: IT 2018780 | IT19800024045 | 07.08.1980 Original published format: IT 2404580 | [1981/35] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0034871 | Date: | 02.09.1981 | Language: | EN | [1981/35] | Type: | A3 Search report | No.: | EP0034871 | Date: | 31.03.1982 | Language: | EN | [1982/13] | Type: | B1 Patent specification | No.: | EP0034871 | Date: | 31.07.1985 | Language: | EN | [1985/31] | Type: | B2 New European patent specification | No.: | EP0034871 | Date: | 25.08.1993 | Language: | EN | [1993/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.01.1982 | Classification | IPC: | C07C67/475, C07C69/734, C07C43/174, C07C43/225, C07D317/18, C07D317/16, C07D319/06, C07D333/16, // C07C59/64 | [1981/35] | CPC: |
C07D209/48 (EP,US);
C07C43/303 (EP,US);
C07C43/315 (EP,US);
C07C45/63 (EP,US);
C07C51/00 (EP,US);
C07C59/64 (EP,US);
C07D317/16 (EP,US);
C07D317/22 (EP,US);
C07D317/28 (EP,US);
| C-Set: |
C07C45/63, C07C49/80 (EP,US);
C07C45/63, C07C49/84 (US,EP);
C07C51/00, C07C59/64 (US,EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1981/35] | Title | German: | Verfahren zur Herstellung von Alkansäureestern durch Umlagerung von alpha-Haloketalen | [1981/35] | English: | Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals | [1981/35] | French: | Procédé de préparation d'esters d'acides alcanoiques par réarrangement d'alpha-halocétals | [1981/35] | Examination procedure | 08.09.1982 | Examination requested [1982/48] | 30.03.1983 | Despatch of a communication from the examining division (Time limit: M04) | 02.05.1983 | Reply to a communication from the examining division | 11.11.1983 | Despatch of communication of intention to grant (Approval: ) | 17.03.1984 | Reply to a communication from the examining division | 22.03.1984 | Despatch of a communication from the examining division (Time limit: M02) | 28.11.1984 | Communication of intention to grant the patent | 21.12.1984 | Fee for grant paid | 21.12.1984 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
18.04.1986
17.10.1986
ADMISSIBLE Zambon S.p.A. Milano / IT Opponent's representative Gervasi, Gemma Notarbartolo & Gervasi S.p.A. Viale Achille Papa, 30 20149 Milano / IT | [N/P] |
| Former [2009/40] | |||
| Opponent(s) | 01
18.04.1986
17.10.1986
ADMISSIBLE Zambon S.p.A. Milano / IT Opponent's representative Gervasi, Gemma Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria 9 20122 Milano / IT | ||
| Former [1986/25] | |||
| Opponent(s) | 01
18.04.1986
17.10.1986
ADMISSIBLE Zambon S.p.A. Milano / IT Opponent's representative Gervasi, Gemma, Dr. Studio Brevetti e Marchi NOTARBARTOLO & GERVASI S.r.l. 33, Viale Bianca Maria I-20122 Milano / IT | 20.10.1986 | Invitation to proprietor to file observations on the notice of opposition | 24.04.1987 | Reply of patent proprietor to notice(s) of opposition | 05.05.1987 | Communication of observations of patent proprietor (Time limit: M06) | 03.11.1987 | Reply of parties involved to observations of patent proprietor | 20.02.1989 | Despatch of a communication from the opposition division (Time limit: M07) | 25.08.1989 | Reply to a communication from the opposition division | 10.05.1990 | Despatch of a communication from the opposition division (Time limit: M06) | 20.11.1990 | Reply to a communication from the opposition division | 15.04.1992 | Despatch of a communication from the opposition division (Time limit: M02) | 25.06.1992 | Reply to a communication from the opposition division | 31.07.1992 | Despatch of interlocutory decision in opposition | 10.08.1992 | Legal effect of interlocutory decision in opposition | 05.11.1992 | Despatch of communication that the patent will be maintained as amended | 15.02.1993 | Fee for printing new specification paid | Fees paid | Renewal fee | 22.02.1983 | Renewal fee patent year 03 | 24.02.1984 | Renewal fee patent year 04 | 28.02.1985 | 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] THE JOURNAL OF ORGANIC CHEMISTRY, vol. 36, no. 15, July 30, 1971, pages 2048-2050, The American Chemical Society, R.R. FRAME et al.: "Acid-catalyzed reactions of propiolophenone and 2-ethynyl-2-phenyl-1,3-dioxolane with ethylene glycol" [A] | [A] THE JOURNAL OF ORGANIC CHEMISTRY, vol. 45, no. 14, July 4, 1980, pages 2803-2813, The American Chemical Society, N. DE KIMPE et al.: "Rearrangement of 1-aryl-2,2-dihalo-1-alkanones" [A] |