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EP0332645
European procedure
Extract from the Register of European Patents
EP About this file: EP0332645
| EP0332645 - METHOD AND APPARATUS FOR REDUCTION OF THE PRESSURE IN A LIQUID MIXTURE [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.04.1993 Database last updated on 26.03.2026 | Most recent event Tooltip | 03.04.1993 | No opposition filed within time limit | published on 26.05.1993 [1993/21] | Applicant(s) | For all designated states ALFA-LAVAL SEPARATION AB Box 500 147 00 Tumba / SE | [N/P] |
| Former [1989/38] | For all designated states ALFA-LAVAL SEPARATION AB Box 500 S-147 00 Tumba / SE | Inventor(s) | 01 /
KLINTENSTEDT, Kjell Sjöängsvägen 16 S-132 00 Saltjö-Boo / SE | [1989/38] | Representative(s) | Lerwill, John, et al A.A. Thornton & Co. 10 Old Bailey London EC4M 7NG / GB | [N/P] |
| Former [1989/38] | Lerwill, John, et al A.A. Thornton & Co. Northumberland House 303-306 High Holborn London, WC1V 7LE / GB | Application number, filing date | 87907998.6 | 16.11.1987 | [1989/38] | WO1987SE00535 | Priority number, date | SE19860005117 | 28.11.1986 Original published format: SE 8605117 | [1989/38] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8803984 | Date: | 02.06.1988 | Language: | EN | [1988/12] | Type: | A1 Application with search report | No.: | EP0332645 | Date: | 20.09.1989 | Language: | EN | The application published by WIPO in one of the EPO official languages on 02.06.1988 takes the place of the publication of the European patent application. | [1989/38] | Type: | B1 Patent specification | No.: | EP0332645 | Date: | 03.06.1992 | Language: | EN | [1992/23] | Search report(s) | International search report - published on: | SE | 02.06.1988 | Classification | IPC: | E21B43/34, G05D16/00 | [1989/38] | CPC: |
B01D19/0052 (EP,KR,US);
E21B43/34 (KR);
E21B43/00 (EP,US);
Y10S494/90 (EP,KR,US)
| Designated contracting states | DE, FR, GB, IT, NL, SE [1989/38] | Title | German: | VORRICHTUNG UND VERFAHREN ZUR VERRINGERUNG DES DRUCKS IN EINEM FLÜSSIGEN GEMISCH | [1989/38] | English: | METHOD AND APPARATUS FOR REDUCTION OF THE PRESSURE IN A LIQUID MIXTURE | [1989/38] | French: | PROCEDE ET APPAREIL POUR REDUIRE LA PRESSION DANS UN MELANGE LIQUIDE | [1989/38] | Entry into regional phase | 28.02.1989 | National basic fee paid | 28.02.1989 | Designation fee(s) paid | 28.02.1989 | Examination fee paid | Examination procedure | 14.06.1988 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 02.03.1989 | Examination requested [1989/38] | 24.10.1990 | Despatch of a communication from the examining division (Time limit: M04) | 15.02.1991 | Reply to a communication from the examining division | 14.06.1991 | Despatch of communication of intention to grant (Approval: No) | 22.11.1991 | Despatch of communication of intention to grant (Approval: later approval) | 29.11.1991 | Communication of intention to grant the patent | 19.02.1992 | Fee for grant paid | 19.02.1992 | Fee for publishing/printing paid | Opposition(s) | 04.03.1993 | No opposition filed within time limit [1993/21] | Fees paid | Renewal fee | 09.11.1989 | Renewal fee patent year 03 | 20.11.1990 | Renewal fee patent year 04 | 11.11.1991 | Renewal fee patent year 05 |
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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. | Lapses during opposition Tooltip | SE | 03.06.1992 | [1993/03] |