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EP0272709
European procedure
Extract from the Register of European Patents
EP About this file: EP0272709
| EP0272709 - Process for plugging subterranean formations, notably in the domain of oilfield services and corresponding applications [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.02.1992 Database last updated on 31.08.2024 | Most recent event Tooltip | 27.02.1992 | No opposition filed within time limit | published on 15.04.1992 [1992/16] | Applicant(s) | For all designated states PUMPTECH N.V. Atlantic House Noorderlaan 147 Bus 5C, 5th Floor 2030 Antwerpen / BE | [N/P] |
| Former [1988/26] | For all designated states PUMPTECH N.V. Atlantic House Noorderlaan 147 Bus 5C, 5th Floor B-2030 Antwerpen / BE | Inventor(s) | 01 /
Perthuis, Hervé Le Merisier 2 rue du Moutier F-42000 St Etienne / FR | 02 /
Parcevaux, Philippe 15 rue du 29 Brumaire F-42100 St Etienne / FR | 03 /
Oberste-Padtberg, Rüdiger Doernroeschenweg 36 D-5600 Wuppertal / DE | [1991/17] |
| Former [1988/26] | 01 /
Perthuis, Hervé Le Merisier 2 rue du Moutier F-42000 St Etienne / FR | ||
| 02 /
Parcevaux, Philippe 15 rue du 29 Brumaire F-42100 St Etienne / FR | |||
| 03 /
Obertse-Padtberg, Rüdiger Doernroeschenweg 36 D-5600 Wuppertal / DE | Representative(s) | Richebourg, Michel François Schlumberger Dowell Dowell Patent and Licensing Deptartment 26 Rue de la Cavée 92142 Clamart Cedex / FR | [N/P] |
| Former [1988/26] | Richebourg, Michel François Schlumberger Dowell Dowell Patent and Licensing Dept. 26, rue de la Cavée F-92142 Clamart Cedex / FR | Application number, filing date | 87201836.1 | 24.09.1987 | [1988/26] | Priority number, date | FR19860016528 | 25.11.1986 Original published format: FR 8616528 | FR19870010669 | 27.07.1987 Original published format: FR 8710669 | [1988/26] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0272709 | Date: | 29.06.1988 | Language: | EN | [1988/26] | Type: | B1 Patent specification | No.: | EP0272709 | Date: | 24.04.1991 | Language: | EN | [1991/17] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.05.1988 | Classification | IPC: | E21B33/138, E21B43/02, C09K17/00 | [1988/26] | CPC: |
C09K8/50 (EP,US);
C09K8/5045 (EP,US);
C09K8/512 (EP,US);
C09K8/56 (EP,US);
E21B33/138 (EP,US)
| Designated contracting states | DE, GB, IT, NL [1988/26] | Title | German: | Verfahren zum Verschliessen von unterirdischen Formationen, speziell für Ölfelder und vergleichbare Anwendungen | [1988/26] | English: | Process for plugging subterranean formations, notably in the domain of oilfield services and corresponding applications | [1988/26] | French: | Procédé de colmatage de formations souterraines, notamment dans le secteur des forages pétroliers et applications correspondantes | [1988/26] | Examination procedure | 25.11.1988 | Examination requested [1989/03] | 09.05.1990 | Despatch of communication of intention to grant (Approval: Yes) | 17.09.1990 | Communication of intention to grant the patent | 12.12.1990 | Fee for grant paid | 12.12.1990 | Fee for publishing/printing paid | Opposition(s) | 25.01.1992 | No opposition filed within time limit [1992/16] | Fees paid | Renewal fee | 11.07.1989 | Renewal fee patent year 03 | 24.09.1990 | 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 | [Y]US3146828 (MANN ROBERT L); | [X]US3805893 (SAREM A); | [X]US3882938 (BERNARD GEORGE G); | [Y]FR2551451 (HOECHST FRANCE [FR]); | [X]EP0155859 (RHONE POULENC CHIM BASE [FR]) |