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EP0746553
European procedure
Extract from the Register of European Patents
EP About this file: EP0746553
| EP0746553 - PROCESS FOR THE PRODUCTION OF GAMMA-BUTYROLACTONE [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.06.1999 Database last updated on 09.09.2024 | Most recent event Tooltip | 04.06.1999 | No opposition filed within time limit | published on 21.07.1999 [1999/29] | Applicant(s) | For all designated states LONZA S.P.A. Via Vittor Pisani, 31 20124 Milano / IT | [1998/31] |
| Former [1996/50] | For all designated states LONZA S.P.A. Via Vittor Pisani, 31 I-20124 Milano / IT | Inventor(s) | 01 /
LANCIA, Rosa C.so Europa, 66 I-24020 Scanzorosciate / IT | 02 /
VACCARI, Angelo Via Malvasia, 24 I-40131 Bologna / IT | 03 /
FUMAGALLI, Carlo Via C. Albani, 2/a I-24061 Albano S. Alessandro / IT | 04 /
ARMBRUSTER, Erich Furkastrasse 64 CH-3904 Naters / CH | [1996/50] | Representative(s) | Weinhold, Peter, et al Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei, Alois-Steinecker-Strasse 22 85354 Freising / DE | [N/P] |
| Former [1996/50] | Weinhold, Peter, Dr., et al Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8 80803 München / DE | Application number, filing date | 95909737.9 | 17.02.1995 | [1996/50] | WO1995EP00589 | Priority number, date | IT1994MI00317 | 22.02.1994 Original published format: IT MI940317 | [1996/50] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9522539 | Date: | 24.08.1995 | Language: | EN | [1995/36] | Type: | A1 Application with search report | No.: | EP0746553 | Date: | 11.12.1996 | Language: | EN | The application published by WIPO in one of the EPO official languages on 24.08.1995 takes the place of the publication of the European patent application. | [1996/50] | Type: | B1 Patent specification | No.: | EP0746553 | Date: | 29.07.1998 | Language: | EN | [1998/31] | Search report(s) | International search report - published on: | EP | 24.08.1995 | Classification | IPC: | C07D315/00 | [1996/50] | CPC: |
C07D315/00 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL [1996/50] | Title | German: | VERFAHREN ZUR HERSTELLUNG VON GAMMA-BUTYROLACTON | [1996/50] | English: | PROCESS FOR THE PRODUCTION OF GAMMA-BUTYROLACTONE | [1996/50] | French: | PROCEDE DE PRODUCTION DE GAMMA-BUTYROLACTONE | [1996/50] | Entry into regional phase | 21.08.1996 | National basic fee paid | 21.08.1996 | Designation fee(s) paid | 21.08.1996 | Examination fee paid | Examination procedure | 20.09.1995 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 21.08.1996 | Examination requested [1996/50] | 18.08.1997 | Despatch of a communication from the examining division (Time limit: M02) | 03.09.1997 | Reply to a communication from the examining division | 02.12.1997 | Despatch of communication of intention to grant (Approval: No) | 18.12.1997 | Despatch of communication of intention to grant (Approval: later approval) | 20.01.1998 | Communication of intention to grant the patent | 21.04.1998 | Fee for grant paid | 21.04.1998 | Fee for publishing/printing paid | Opposition(s) | 30.04.1999 | No opposition filed within time limit [1999/29] | Fees paid | Renewal fee | 18.02.1997 | Renewal fee patent year 03 | 16.02.1998 | Renewal fee patent year 04 |
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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. | Cited in | International search | [A]DE1768191 (KYOWA CHEMICALS KABUSHIKI KAIS) [A] 1-13 * page 2, line 18 - page 6, line 12; examples 2-3,5-7; claims 1,5-11 *; | [A]EP0322140 (STANDARD OIL CO OHIO [US]) [A] 1-13* example -; claim - *; | [DA]WO9116132 (ISP INVESTMENTS INC [US]) [DA] 1-13 * page 5 - page 15 *; | CN1058400 [ ] (UNIV FUDAN [CN]) [ ] * abstract * | [A] - YIFEI XIANG ET AL., "Preparation of gamma-butyrolactone under atmospheric pressure", CHEMICAL ABSTRACTS, (19921012), vol. 117, no. 15, Database accession no. 150868n, page 814, column 2 [A] 1-13 | Examination | - Translation in English of the chinese document , quoted as Chemical Abstract : 117: 150868N, 1992. |