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EP0174907
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EP About this file: EP0174907
| EP0174907 - Process for removal of nitrogen and sulphur oxides from off gases [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 12.06.1991 Database last updated on 02.11.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1986/12] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Fattinger, Volker, Dr. Im Lee 39 CH-4144 Arlesheim / CH | [1986/12] | Application number, filing date | 85810365.8 | 07.08.1985 | [1986/12] | Priority number, date | CH19840003871 | 13.08.1984 Original published format: CH 387184 | [1986/12] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0174907 | Date: | 19.03.1986 | Language: | DE | [1986/12] | Type: | A3 Search report | No.: | EP0174907 | Date: | 25.10.1989 | Language: | DE | [1989/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.09.1989 | Classification | IPC: | B01D53/34 | [1986/12] | CPC: |
C01B17/74 (EP);
B01D53/60 (EP);
C01B21/40 (EP);
Y02A50/20 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/12] | Title | German: | Verfahren zur Entfernung von Stickstoff- und Schwefeloxiden aus Abgasen | [1986/12] | English: | Process for removal of nitrogen and sulphur oxides from off gases | [1986/12] | French: | Procédé d'élimination d'oxydes d'azote et de soufre des gaz d'échappement | [1986/12] | File destroyed: | 02.03.1998 | Examination procedure | 09.08.1985 | Examination requested [1986/12] | 20.09.1990 | Despatch of a communication from the examining division (Time limit: M04) | 31.01.1991 | Application deemed to be withdrawn, date of legal effect [1991/31] | 01.03.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1991/31] | Fees paid | Renewal fee | 30.06.1987 | Renewal fee patent year 03 | 28.06.1988 | Renewal fee patent year 04 | 28.06.1989 | Renewal fee patent year 05 | 22.06.1990 | Renewal fee patent year 06 |
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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 | [AD]US4242321 (FATTINGER VOLKER [CH]); | [AD]US4148868 (FATTINGER VOLKER) |