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EP0293151
European procedure
Extract from the Register of European Patents
EP About this file: EP0293151
| EP0293151 - Electrolytic production of chlorine dioxide [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.02.1993 Database last updated on 07.04.2026 | Most recent event Tooltip | 11.02.1993 | No opposition filed within time limit | published on 31.03.1993 [1993/13] | Applicant(s) | For all designated states Tenneco Canada Inc. 2 Gibbs Road Islington Ontario M9B 1R1 / CA | [N/P] |
| Former [1988/48] | For all designated states Tenneco Canada Inc. 2 Gibbs Road Islington Ontario M9B 1R1 / CA | Inventor(s) | 01 /
Lipsztajn, Marek 23 Wallis Crescent Rexdale Ontario M9V 4K2 / CA | [1988/48] | Representative(s) | Savidge, Roger Gordon Madgwick, et al ALBRIGHT & WILSON UK LIMITED Patents Department P O Box 3 210-222 Hagley Road Oldbury, Warley, West Midlands B68 0NN / GB | [N/P] |
| Former [1988/48] | Savidge, Roger Gordon Madgwick, et al ALBRIGHT & WILSON UK LIMITED Patents Department P O Box 3 210-222 Hagley Road Oldbury, Warley, West Midlands B68 0NN / GB | Application number, filing date | 88304644.3 | 23.05.1988 | [1988/48] | Priority number, date | CA19870538404 | 29.05.1987 Original published format: CA 538404 | [1988/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0293151 | Date: | 30.11.1988 | Language: | EN | [1988/48] | Type: | B1 Patent specification | No.: | EP0293151 | Date: | 08.04.1992 | Language: | EN | [1992/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.09.1988 | Classification | IPC: | C25B1/26 | [1988/48] | CPC: |
C25B1/26 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1988/48] | Title | German: | Elektrolytische Herstellung von Chlordioxid | [1988/48] | English: | Electrolytic production of chlorine dioxide | [1988/48] | French: | Production électrolytique de dioxyde de chlore | [1988/48] | Examination procedure | 30.05.1988 | Examination requested [1988/48] | 21.05.1990 | Despatch of a communication from the examining division (Time limit: M04) | 21.09.1990 | Reply to a communication from the examining division | 11.02.1991 | Despatch of communication of intention to grant (Approval: No) | 01.10.1991 | Despatch of communication of intention to grant (Approval: later approval) | 08.10.1991 | Communication of intention to grant the patent | 27.12.1991 | Fee for grant paid | 27.12.1991 | Fee for publishing/printing paid | Opposition(s) | 09.01.1993 | No opposition filed within time limit [1993/13] | Request for further processing for: | 19.07.1991 | Request for further processing filed | 19.07.1991 | Full payment received (date of receipt of payment) Request granted | 22.08.1991 | Decision despatched | Fees paid | Renewal fee | 27.03.1990 | Renewal fee patent year 03 | 23.04.1991 | Renewal fee patent year 04 |
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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] GMELINS HANDBUCH DER ANORGANISCHEN CHEMIE, Auflage 8, 1927, pages 234-235, Verlag Chemie, Berlin, DE; "Chlor-System Nummer 6" | Examination | z. Electroch. 13 (1907) 437 |