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EP0183358
European procedure
Extract from the Register of European Patents
EP About this file: EP0183358
| EP0183358 - Production of ammonia synthesis gas [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.10.1989 Database last updated on 19.03.2026 | Most recent event Tooltip | 27.10.1989 | No opposition filed within time limit | published on 13.12.1989 [1989/50] | Applicant(s) | For all designated states IMPERIAL CHEMICAL INDUSTRIES PLC Imperial Chemical House, Millbank London SW1P 3JF / GB | [1986/23] | Inventor(s) | 01 /
Pinto, Alwyn 18 Cambridge Road Linthorpe Middlesbrough Cleveland / GB | 02 /
Johnson, John Brian Hansen 36 Rectory Row Sedgefield Stockton-on-Tees Cleveland / GB | [1986/23] | Representative(s) | Gratwick, Christopher, et al Uniqema Intellectual Property Department PO Box 90 Wilton Middlesbrough Clveland TS90 8JE / GB | [N/P] |
| Former [1986/23] | Gratwick, Christopher, et al Intellectual Property Department ICI Chemicals & Polymers Ltd P.O. Box 11 The Heath Runcorn Cheshire WA7 4QE / GB | Application number, filing date | 85307169.4 | 07.10.1985 | [1986/23] | Priority number, date | GB19840026665 | 22.10.1984 Original published format: GB 8426665 | GB19840026393 | 18.10.1984 Original published format: GB 8426393 | GB19840029317 | 20.11.1984 Original published format: GB 8429317 | GB19840032487 | 21.12.1984 Original published format: GB 8432487 | [1986/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0183358 | Date: | 04.06.1986 | Language: | EN | [1986/23] | Type: | A3 Search report | No.: | EP0183358 | Date: | 14.01.1987 | Language: | EN | [1987/03] | Type: | B1 Patent specification | No.: | EP0183358 | Date: | 21.12.1988 | Language: | EN | [1988/51] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.11.1986 | Classification | IPC: | C01B3/02, B01D53/04 | [1986/23] | CPC: |
B01D53/04 (EP,US);
B01D53/047 (EP,US);
C01B3/025 (EP,US);
C01B3/56 (EP,US);
C01B32/50 (EP,US);
C10K1/34 (EP,US);
B01D2256/16 (EP,US);
B01D2257/102 (EP,US);
B01D2257/502 (EP,US);
B01D2257/504 (EP,US);
B01D2259/404 (EP,US);
B01D2259/4065 (EP,US);
C01B2203/043 (EP,US);
C01B2203/0475 (EP,US);
Y02C20/40 (EP,US);
Y02P20/151 (EP,US)
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| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/23] | Title | German: | Produktion von Ammoniaksynthesegas | [1986/23] | English: | Production of ammonia synthesis gas | [1986/23] | French: | Production de gaz de synthèse d'ammoniac | [1986/23] | Examination procedure | 30.01.1987 | Examination requested [1987/15] | 15.05.1987 | Despatch of a communication from the examining division (Time limit: M04) | 01.09.1987 | Reply to a communication from the examining division | 29.02.1988 | Despatch of communication of intention to grant (Approval: Yes) | 24.06.1988 | Communication of intention to grant the patent | 08.07.1988 | Fee for grant paid | 08.07.1988 | Fee for publishing/printing paid | Opposition(s) | 22.09.1989 | No opposition filed within time limit [1989/50] | Fees paid | Renewal fee | 09.09.1987 | Renewal fee patent year 03 | 13.09.1988 | Renewal fee patent year 04 |
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