-
EP0104927
European procedure
Extract from the Register of European Patents
EP About this file: EP0104927
| EP0104927 - Method and compositions for fracturing subterranean formations [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.10.1988 Database last updated on 31.01.2025 | Most recent event Tooltip | 13.10.1988 | No opposition filed within time limit | published on 30.11.1988 [1988/48] | Applicant(s) | For all designated states HALLIBURTON COMPANY P.O. Drawer 1431 Duncan Oklahoma 73536 / US | [N/P] |
| Former [1984/14] | For all designated states HALLIBURTON COMPANY P.O. Drawer 1431 Duncan Oklahoma 73536 / US | Inventor(s) | 01 /
Hollenbeak, Keith Harold Route 5 Box 447A Duncan Oklahoma / US | 02 /
Githens, Charles Jackson 1604 North Ridge Duncan Oklahoma / US | 03 /
Conway, Michael Wayne 1501 Cedar Duncan Oklahoma / US | [1984/14] | Representative(s) | Wain, Christopher Paul, et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE / GB | [N/P] |
| Former [1984/14] | Wain, Christopher Paul, et al A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | Application number, filing date | 83305743.3 | 26.09.1983 | [1984/14] | Priority number, date | US19820423577 | 27.09.1982 Original published format: US 423577 | US19820423573 | 27.09.1982 Original published format: US 423573 | US19820423576 | 27.09.1982 Original published format: US 423576 | [1984/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0104927 | Date: | 04.04.1984 | Language: | EN | [1984/14] | Type: | A3 Search report | No.: | EP0104927 | Date: | 18.07.1984 | Language: | EN | [1984/29] | Type: | B1 Patent specification | No.: | EP0104927 | Date: | 16.12.1987 | Language: | EN | [1987/51] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.05.1984 | Classification | IPC: | C08B37/00, C08L5/00, E21B43/26, E21B33/138 | [1984/14] | CPC: |
C09K8/685 (EP);
C08K5/0091 (EP);
C08K5/05 (EP);
C08K5/09 (EP);
C08K5/56 (EP);
C09K8/512 (EP)
| C-Set: |
C08K5/0091, C08L5/00 (EP);
C08K5/05, C08L5/00 (EP);
C08K5/09, C08L5/00 (EP);
C08K5/56, C08L5/00 (EP) | Designated contracting states | DE, FR, GB, NL [1984/14] | Title | German: | Methode und Zusammensetzungen zur Frakturierung von unterirdischen Formationen | [1984/14] | English: | Method and compositions for fracturing subterranean formations | [1984/14] | French: | Méthode et compositions pour la fracturation de formations souterraines | [1984/14] | Examination procedure | 19.09.1984 | Examination requested [1984/48] | 22.10.1985 | Despatch of a communication from the examining division (Time limit: M04) | 23.01.1986 | Reply to a communication from the examining division | 14.04.1986 | Despatch of a communication from the examining division (Time limit: M04) | 05.06.1986 | Reply to a communication from the examining division | 17.07.1986 | Despatch of a communication from the examining division (Time limit: M04) | 11.11.1986 | Reply to a communication from the examining division | 09.01.1987 | Despatch of communication of intention to grant (Approval: ) | 21.04.1987 | Communication of intention to grant the patent | 12.05.1987 | Fee for grant paid | 12.05.1987 | Fee for publishing/printing paid | Opposition(s) | 17.09.1988 | No opposition filed within time limit [1988/48] | Fees paid | Renewal fee | 13.09.1985 | Renewal fee patent year 03 | 11.09.1986 | Renewal fee patent year 04 | 18.09.1987 | Renewal fee patent year 05 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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]US2894966 (RUSSELL CHARLES A); | [X]US3888312 (TINER ROBERT L, et al); | [A]US4313834 (HARRIS LAWRENCE E) | [A] - OIL & GAS JOURNAL, vol. 80, no. 37, September 1982, pages 84,89, Tulsa, Oklahoma, USA |