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EP0157917
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EP About this file: EP0157917
| EP0157917 - Reduction of metal compounds [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 25.10.1988 Database last updated on 03.09.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states HÜLS AKTIENGESELLSCHAFT 45764 Marl / DE | [N/P] |
| Former [1993/45] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | ||
| Former [1985/47] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | ||
| Former [1985/42] | For all designated states CHEMISCHE WERKE HÜLS AG - RSP Patente / PB 15 - D-45764 Marl / DE | Inventor(s) | 01 /
Schmidt, Herbert, Dr. Uerdinger Strasse 8 D-4370 Marl / DE | 02 /
Kerker, Lothar, Dr. Dechant Wieling-Strasse 9 D-4408 Dülmen / DE | 03 /
Müller, Richard, Dr. Im Singelsen 24 D-4370 Marl / DE | 04 /
de Waal, Jan Christoffel c/o Union Steel Corp. General Hertzog Road Peacehaven / ZA | 05 /
Blom, Peter W. E., Dr. c/o Union Steel Corp. General Hertzog Road Peacehaven / ZA | [1985/42] | Application number, filing date | 84114455.3 | 29.11.1984 | [1985/42] | Priority number, date | ZA19830008881 | 29.11.1983 Original published format: ZA 838881 | [1985/42] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0157917 | Date: | 16.10.1985 | Language: | EN | [1985/42] | Type: | A3 Search report | No.: | EP0157917 | Date: | 19.03.1986 | Language: | EN | [1986/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.01.1986 | Classification | IPC: | C21B13/02, C10J3/46 | [1985/42] | CPC: |
C21B5/002 (EP,US);
C21B13/02 (EP,US);
C21B13/029 (EP,US);
C21B2100/22 (EP,US);
C21B2100/282 (EP,US);
C21B2100/44 (EP,US);
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1985/42] | Title | German: | Reduktion von Metallverbindungen | [1985/42] | English: | Reduction of metal compounds | [1985/42] | French: | Réduction de composés métalliques | [1985/42] | File destroyed: | 05.08.1994 | Examination procedure | 30.05.1986 | Examination requested [1986/33] | 22.06.1987 | Despatch of a communication from the examining division (Time limit: M04) | 28.09.1987 | Reply to a communication from the examining division | 25.11.1987 | Despatch of a communication from the examining division (Time limit: M06) | 07.06.1988 | Application deemed to be withdrawn, date of legal effect [1988/50] | 13.07.1988 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1988/50] | Fees paid | Renewal fee | 02.04.1987 | Renewal fee patent year 03 | 13.10.1987 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 01.12.1986 | 03 M06 Fee paid on 02.04.1987 |
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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 | [X]EP0021601 (WESTINGHOUSE ELECTRIC CORP [US]); | [X]WO8303091 (ETHYL CORP [US]); | [X]FR2270202 (CENTRE RECH METALLURGIQUE [BE]); | [X]FR2223449 (SKF IND TRADING & DEV [NL]); | [A]FR2256233 (CENTRE RECH METALLURGIQUE [BE]); | [A]BE883667 (CENTRE RECH METALLURGIQUE); | [A]DE2166408 (CENTRE RECH METALLURGIQUE); | [A]US3988123 (COATES RALPH L); | [A]FR2177089 (BITUMINOUS COAL RESEARCH [US]) |