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EP0544530
European procedure
Extract from the Register of European Patents
EP About this file: EP0544530
| EP0544530 - Process for producing epsilon-caprolactam by Beckmann-rearrangement in the gas phase in the presence of a zeolite catalyst and water [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.01.2001 Database last updated on 10.05.2025 | Most recent event Tooltip | 19.01.2001 | No opposition filed within time limit | published on 07.03.2001 [2001/10] | Applicant(s) | For all designated states SUMITOMO CHEMICAL COMPANY LIMITED 5-33, Kitahama 4-chome, Chuo-ku Osaka-shi Osaka 541-0041 / JP | [N/P] |
| Former [2000/12] | For all designated states SUMITOMO CHEMICAL COMPANY LIMITED 5-33, Kitahama 4-chome, Chuo-ku Osaka-shi, Osaka 541-0041 / JP | ||
| Former [1996/38] | For all designated states SUMITOMO CHEMICAL COMPANY LIMITED 5-33, Kitahama 4-chome, Chuo-ku Osaka-shi, Osaka 541 / JP | ||
| Former [1993/22] | For all designated states SUMITOMO CHEMICAL COMPANY, LIMITED 5-33, Kitahama 4-chome Chuo-ku Osaka / JP | Inventor(s) | 01 /
Kajikuri, Hiroshi 1-2-40, Hirata Ibaraki-shi, Osaka 567 / JP | 02 /
Kitamura, Masaru 1-9-1-402, Tamagawa Takatsuki-shi, Osaka 569 / JP | 03 /
Higashio, Yasuhiko 9-6-3-304, Honmachi Toyonaka-shi, Osaka 560 / JP | [1993/22] | Representative(s) | Kearney, Kevin David Nicholas, et al KILBURN & STRODE 20 Red Lion Street London, WC1R 4PJ / GB | [N/P] |
| Former [1993/22] | Kearney, Kevin David Nicholas, et al KILBURN & STRODE 30 John Street London, WC1N 2DD / GB | Application number, filing date | 92310818.7 | 26.11.1992 | [1993/22] | Priority number, date | JP19910312491 | 27.11.1991 Original published format: JP 31249191 | [1993/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0544530 | Date: | 02.06.1993 | Language: | EN | [1993/22] | Type: | B1 Patent specification | No.: | EP0544530 | Date: | 22.03.2000 | Language: | EN | [2000/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.02.1993 | Classification | IPC: | C07D201/04, B01J29/04 | [1993/22] | CPC: |
B01J29/04 (EP,US);
C07D201/04 (EP,KR,US);
Y02P20/52 (EP,US)
| Designated contracting states | BE, DE, GB, IT, NL [1993/22] | Title | German: | Verfahren zur Herstellung von Epsilon-Caprolactam durch Beckmann-Umlagerung in der Gasphase in der Gegenwart eines Zeolith-Katalysators und Wasser | [1993/22] | English: | Process for producing epsilon-caprolactam by Beckmann-rearrangement in the gas phase in the presence of a zeolite catalyst and water | [1993/22] | French: | Procédé pour la préparation d'epsilon-caprolactame par transposition de Beckmann en phase gazeuse et en présence d'un catalysateur contenant une zéolithe et d'eau | [1993/22] | Examination procedure | 13.10.1993 | Examination requested [1993/50] | 19.09.1996 | Despatch of a communication from the examining division (Time limit: M06) | 12.03.1997 | Reply to a communication from the examining division | 26.02.1998 | Despatch of a communication from the examining division (Time limit: M06) | 22.07.1998 | Reply to a communication from the examining division | 25.06.1999 | Despatch of communication of intention to grant (Approval: No) | 13.08.1999 | Despatch of communication of intention to grant (Approval: later approval) | 27.08.1999 | Communication of intention to grant the patent | 13.10.1999 | Fee for grant paid | 13.10.1999 | Fee for publishing/printing paid | Opposition(s) | 23.12.2000 | No opposition filed within time limit [2001/10] | Fees paid | Renewal fee | 15.11.1994 | Renewal fee patent year 03 | 09.11.1995 | Renewal fee patent year 04 | 11.11.1996 | Renewal fee patent year 05 | 10.11.1997 | Renewal fee patent year 06 | 10.11.1998 | Renewal fee patent year 07 | 12.11.1999 | Renewal fee patent year 08 |
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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]EP0236092 (SUMITOMO CHEMICAL CO [JP]); | [A]EP0234088 (SUMITOMO CHEMICAL CO [JP]); | [Y]EP0369364 (SUED CHEMIE AG [DE]); | [YP]EP0494535 (SUMITOMO CHEMICAL CO [JP]); | [Y]DE1545789 (BAYER AG); | [X]EP0388070 (SUMITOMO CHEMICAL CO [JP], et al); | [X]EP0380364 (SUMITOMO CHEMICAL CO [JP]); | [A]EP0242960 (SUMITOMO CHEMICAL CO [JP]) | by applicant | JPH02275850 | JPH02250866 | EP0380364 |