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EP0400169
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EP About this file: EP0400169
| EP0400169 - Removal of volatile acids from aqueous solutions [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 25.06.1993 Database last updated on 18.11.2024 | Most recent event Tooltip | 25.06.1993 | Application deemed to be withdrawn | published on 18.08.1993 [1993/33] | Applicant(s) | For all designated states QO CHEMICALs, INC. P. O. Box 2200 West Lafayette Indiana 49706 / US | [N/P] |
| Former [1990/49] | For all designated states QO CHEMICALS, INC. P. O. Box 2200 West Lafayette Indiana 49706 / US | Inventor(s) | 01 /
Van Horn, Wendell E. 8401 Highway 70 Arlington - Tennessee 38002 / US | [1990/49] | Representative(s) | Kador & Partner Part mbB Corneliusstraße 15 80469 München / DE | [N/P] |
| Former [1990/49] | Kador & Partner Corneliusstrasse 15 D-80469 München / DE | Application number, filing date | 89109737.0 | 30.05.1989 | [1990/49] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0400169 | Date: | 05.12.1990 | Language: | EN | [1990/49] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.03.1990 | Classification | IPC: | C07C51/44, B01D3/38, C02F1/04 | [1990/49] | CPC: |
B01D3/38 (EP,US);
C07C51/42 (EP,US);
C07C51/487 (EP,US);
Y10S203/06 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/49] | Title | German: | Entfernung von flüchtigen Säuren aus wässrigen Lösungen | [1990/49] | English: | Removal of volatile acids from aqueous solutions | [1990/49] | French: | Elimination d'acides volatils de solutions aqueuses | [1990/49] | File destroyed: | 12.06.1999 | Examination procedure | 29.01.1991 | Examination requested [1991/13] | 03.08.1992 | Despatch of a communication from the examining division (Time limit: M06) | 16.02.1993 | Application deemed to be withdrawn, date of legal effect [1993/33] | 22.03.1993 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1993/33] | Fees paid | Renewal fee | 18.06.1991 | Renewal fee patent year 03 | 29.05.1992 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 01.06.1991 | 03 M06 Fee paid on 18.06.1991 |
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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]US2444527 (POMEROY RICHARD D); | [X]FR2351913 (SIDMAR [BE]) |