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EP0658150
European procedure
Extract from the Register of European Patents
EP About this file: EP0658150
| EP0658150 - A PROCESS FOR PREPARING A CRYSTALLINE, STABLE SODIUM PERCARBONATE [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.10.1999 Database last updated on 03.09.2024 | Most recent event Tooltip | 08.10.1999 | No opposition filed within time limit | published on 24.11.1999 [1999/47] | Applicant(s) | For all designated states KEMIRA OY PL 44 SF-02271 Espoo / FI | [1995/25] | Inventor(s) | 01 /
KORVELA, Timo Hiesutie 21 FIN-90650 Oulu / FI | 02 /
AHLGREN, Jonni Orvokkitie 5 FIN-65610 Mustasaari / FI | 03 /
HEDENÄS, Bo Villa Linnea, Ramlösa Brunnspark S-253 67 Helsingborg / SE | 04 /
RENWALL, Ilkka Laurinlahdentie 27 D FIN-02320 Espoo / FI | [1995/25] | Representative(s) | Sexton, Jane Helen J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [1995/25] | Sexton, Jane Helen J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 93919359.5 | 07.09.1993 | [1995/25] | WO1993FI00356 | Priority number, date | FI19920003995 | 07.09.1992 Original published format: FI 923995 | [1995/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9405594 | Date: | 17.03.1994 | Language: | EN | [1994/07] | Type: | A1 Application with search report | No.: | EP0658150 | Date: | 21.06.1995 | Language: | EN | The application published by WIPO in one of the EPO official languages on 17.03.1994 takes the place of the publication of the European patent application. | [1995/25] | Type: | B1 Patent specification | No.: | EP0658150 | Date: | 02.12.1998 | Language: | EN | [1998/49] | Search report(s) | International search report - published on: | SE | 17.03.1994 | Classification | IPC: | C01B15/10 | [1995/25] | CPC: |
C01B15/106 (EP,US);
C11D3/394 (EP,US)
| Designated contracting states | DE, DK, ES, FR, GB, IT, NL, SE [1995/25] | Title | German: | VERFAHREN ZUR HERSTELLUNG VON KRISTALLINEM, STABILEM NATRIUMPERCARBONAT | [1995/25] | English: | A PROCESS FOR PREPARING A CRYSTALLINE, STABLE SODIUM PERCARBONATE | [1995/25] | French: | PROCEDE POUR PREPARER UN PERCARBONATE DE SOUDE STABLE, SOUS FORME CRISTALLINE | [1995/25] | Entry into regional phase | 06.03.1995 | National basic fee paid | 06.03.1995 | Designation fee(s) paid | 06.03.1995 | Examination fee paid | Examination procedure | 28.02.1994 | Request for preliminary examination filed International Preliminary Examining Authority: SE | 06.03.1995 | Examination requested [1995/25] | 21.11.1995 | Despatch of a communication from the examining division (Time limit: M06) | 28.05.1996 | Reply to a communication from the examining division | 23.12.1996 | Despatch of a communication from the examining division (Time limit: M04) | 24.04.1997 | Reply to a communication from the examining division | 30.01.1998 | Despatch of communication of intention to grant (Approval: Yes) | 25.05.1998 | Communication of intention to grant the patent | 11.08.1998 | Fee for grant paid | 11.08.1998 | Fee for publishing/printing paid | Opposition(s) | 03.09.1999 | No opposition filed within time limit [1999/47] | Fees paid | Renewal fee | 08.09.1995 | Renewal fee patent year 03 | 20.09.1996 | Renewal fee patent year 04 | 18.09.1997 | Renewal fee patent year 05 | 29.09.1998 | 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. | Cited in | International search | [X]DE2303627 ; | [X]EP0021498 (INTEROX SA [BE]) | Examination | WO9217400 | US4120812 |