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EP1863889
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EP About this file: EP1863889
| EP1863889 - VISCOELASTIC SURFACTANT FLUIDS AND ASSOCIATED ACIDIZING METHODS [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 09.10.2009 Database last updated on 19.10.2024 | Most recent event Tooltip | 09.10.2009 | Application deemed to be withdrawn | published on 11.11.2009 [2009/46] | Applicant(s) | For all designated states HALLIBURTON ENERGY SERVICES, INC. P.O. Box 1431 Duncan, OK 73533 / US | [2007/50] | Inventor(s) | 01 /
WELTON, Thomas D. 2205 Meadow Lark Avenue Duncan, OK 73533 / US | 02 /
LEWIS, Samuel J. 2005 Meadowview Duncan, OK 73533 / US | 03 /
FUNKHOUSER, Gary P. Route 5, Box 44C Duncan, OK 73533 / US | [2007/50] | Representative(s) | Curtis, Philip Anthony, et al A.A. Thornton & Co. 10 Old Bailey London EC4M 7NG / GB | [N/P] |
| Former [2007/50] | Curtis, Philip Anthony, et al A.A. Thornton & Co., 235 High Holborn London WC1V 7LE / GB | Application number, filing date | 06709731.1 | 14.02.2006 | [2007/50] | WO2006GB00494 | Priority number, date | US20050058475 | 15.02.2005 Original published format: US 58475 | US20050058611 | 15.02.2005 Original published format: US 58611 | US20050058612 | 15.02.2005 Original published format: US 58612 | US20050058660 | 15.02.2005 Original published format: US 58660 | [2007/50] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2006087525 | Date: | 24.08.2006 | Language: | EN | [2006/34] | Type: | A1 Application with search report | No.: | EP1863889 | Date: | 12.12.2007 | Language: | EN | The application published by WIPO in one of the EPO official languages on 24.08.2006 takes the place of the publication of the European patent application. | [2007/50] | Search report(s) | International search report - published on: | EP | 24.08.2006 | Classification | IPC: | C09K5/00 | [2007/50] | CPC: |
C09K8/72 (EP);
C09K8/74 (EP);
C09K2208/30 (EP)
| Designated contracting states | DE, DK, FR, GB, IT, NL [2008/15] |
| Former [2007/50] | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LI, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR | Extension states | AL | Not yet paid | BA | Not yet paid | HR | Not yet paid | MK | Not yet paid | YU | Not yet paid | Title | German: | VISKOELASTISCHE TENSIDFLÜSSIGKEITEN UND ENTSPRECHENDE SÄUREBEHANDLUNGSVERFAHREN | [2007/50] | English: | VISCOELASTIC SURFACTANT FLUIDS AND ASSOCIATED ACIDIZING METHODS | [2007/50] | French: | FLUIDES TENSIOACTIFS VISCOELASTIQUES ET PROCEDES D'ACIDIFICATION ASSOCIES | [2007/50] | Entry into regional phase | 13.09.2007 | National basic fee paid | 13.09.2007 | Designation fee(s) paid | 13.09.2007 | Examination fee paid | Examination procedure | 14.09.2007 | Examination requested [2007/50] | 18.09.2007 | Loss of particular rights, legal effect: designated state(s) | 12.11.2007 | Despatch of communication of loss of particular rights: designated state(s) AT, BE, BG, CH, CY, CZ, EE, ES, FI, GR, HU, IE, IS, LT, LU, LV, MC, PL, PT, RO, SE, SI, SK, TR | 09.10.2008 | Despatch of a communication from the examining division (Time limit: M06) | 21.04.2009 | Application deemed to be withdrawn, date of legal effect [2009/46] | 28.05.2009 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2009/46] | Fees paid | Renewal fee | 08.02.2008 | Renewal fee patent year 03 | 09.02.2009 | 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. | Cited in | International search | [X]US5797456 (MOKADAM ANITA R [US]) [X] 1-12 * column 2, line 16 - column 4, line 36 *; | [A]WO03054350 (RHODIA CHIMIE SA [FR], et al) [A] 1-12 * page 5, line 25 - line 35 *; | [A]US6035936 (WHALEN ROBERT T [US]) [A] 1-12 * column 3, line 5 - column 6, line 47 *; | [A]US5979557 (CARD ROGER J [US], et al) [A] 1-12 * the whole document * |