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Extract from the Register of European Patents

EP About this file: EP1871723

EP1871723 - METHODS OF CEMENTING USING A FLUID LOSS CONTROL ADDITIVE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.07.2020
Database last updated on 18.11.2024
FormerThe patent has been granted
Status updated on  02.08.2019
FormerGrant of patent is intended
Status updated on  21.03.2019
FormerExamination is in progress
Status updated on  22.03.2018
Most recent event   Tooltip15.01.2021Lapse of the patent in a contracting state
New state(s): FR
published on 17.02.2021  [2021/07]
Applicant(s)For all designated states
Halliburton Energy Services Inc.
3000 N. Sam Houston Parkway E.
Houston, Texas 77032 / US
[2019/25]
Former [2008/01]For all designated states
HALLIBURTON ENERGY SERVICES, INC.
P.O. Box 1431
Duncan, OK 73536 / US
Inventor(s)01 / SZYMANSKI, Michael, J.
3502 Kacy Street
Duncan, OK 73533 / US
02 / LEWIS, Samuel, J.
2005 Meadowview Drive
Duncan, OK 73533 / US
03 / SEGURA, Michael, J., R.
3201 Timber Ridge Drive
Duncan, OK 73533 / US
 [2008/01]
Representative(s)King, Lawrence, et al
A.A. Thornton & Co.
Octagon Point
5 Cheapside
London EC2V 6AA / GB
[N/P]
Former [2019/36]King, Lawrence, et al
A.A. Thornton & Co.
10 Old Bailey
London EC4M 7NG / GB
Former [2008/01]Curtis, Philip Anthony, et al
A.A. Thornton & Co. 235 High Holborn
London WC1V 7LE / GB
Application number, filing date06709651.103.02.2006
[2008/01]
WO2006GB00405
Priority number, dateUS2005006297722.02.2005         Original published format: US 62977
[2008/01]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2006090107
Date:31.08.2006
Language:EN
[2006/35]
Type: A1 Application with search report 
No.:EP1871723
Date:02.01.2008
Language:EN
The application published by WIPO in one of the EPO official languages on 31.08.2006 takes the place of the publication of the European patent application.
[2008/01]
Type: B1 Patent specification 
No.:EP1871723
Date:04.09.2019
Language:EN
[2019/36]
Search report(s)International search report - published on:EP31.08.2006
ClassificationIPC:C04B28/02, C09K8/487, // C04B103/46
[2019/13]
CPC:
C04B28/02 (EP,NO,US); C09K8/487 (EP,NO,US); C04B24/10 (NO);
C04B24/2623 (NO); C04B2103/0064 (EP,US); C04B2103/46 (EP,US)
C-Set:
C04B28/02, C04B24/10, C04B24/2623, C04B24/2652 (EP,US);
C04B2103/46, C04B24/10, C04B24/2623 (US,EP)
Former IPC [2008/01]C04B28/02, C09K8/42
Designated contracting statesDE,   DK,   FR,   GB,   IT,   NL [2019/36]
Former [2008/22]DE,  DK,  FR,  GB,  IT,  NL 
Former [2008/01]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 
TitleGerman:VERFAHREN ZUM ZEMENTIEREN UNTER VERWENDUNG EINES ADDITIVS ZUR VERHINDERUNG VON FLÜSSIGKEITSVERLUSTEN[2008/01]
English:METHODS OF CEMENTING USING A FLUID LOSS CONTROL ADDITIVE[2008/01]
French:PROCEDES DE CIMENTATION UTILISANT UN ADDITIF DE REGULATION DE PERTE DE FLUIDE[2008/01]
Entry into regional phase20.09.2007National basic fee paid 
20.09.2007Designation fee(s) paid 
20.09.2007Examination fee paid 
Examination procedure21.09.2007Examination requested  [2008/01]
20.12.2007Despatch of a communication from the examining division (Time limit: M06)
01.10.2008Reply to a communication from the examining division
02.07.2010Despatch of a communication from the examining division (Time limit: M06)
18.02.2011Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
28.04.2011Reply to a communication from the examining division
19.05.2014Despatch of a communication from the examining division (Time limit: M04)
26.09.2014Reply to a communication from the examining division
09.03.2018Despatch of a communication from the examining division (Time limit: M04)
06.07.2018Reply to a communication from the examining division
16.10.2018Despatch of a communication from the examining division (Time limit: M04)
12.02.2019Reply to a communication from the examining division
22.03.2019Communication of intention to grant the patent
23.07.2019Fee for grant paid
23.07.2019Fee for publishing/printing paid
23.07.2019Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  20.12.2007
Opposition(s)05.06.2020No opposition filed within time limit [2020/33]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the examination report
01.10.2008Request for further processing filed
01.10.2008Full payment received (date of receipt of payment)
Request granted
17.10.2008Decision despatched
Fees paidRenewal fee
27.03.2008Renewal fee patent year 03
09.02.2009Renewal fee patent year 04
08.02.2010Renewal fee patent year 05
08.02.2011Renewal fee patent year 06
07.02.2012Renewal fee patent year 07
07.02.2013Renewal fee patent year 08
07.02.2014Renewal fee patent year 09
13.02.2015Renewal fee patent year 10
05.02.2016Renewal fee patent year 11
09.12.2016Renewal fee patent year 12
15.12.2017Renewal fee patent year 13
06.12.2018Renewal fee patent year 14
Penalty fee
Additional fee for renewal fee
29.02.200803   M06   Fee paid on   27.03.2008
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Lapses during opposition  TooltipDK04.09.2019
IT04.09.2019
NL04.09.2019
FR29.02.2020
[2021/07]
Former [2020/36]DK04.09.2019
IT04.09.2019
NL04.09.2019
Former [2020/24]IT04.09.2019
NL04.09.2019
Former [2020/20]NL04.09.2019
Cited inInternational search[X]US4524828  (SABINS FRED [US], et al) [X] 1-20 * the whole document *;
 [A]US5850880  (MORAN LARRY K [US], et al) [A] 1-20* the whole document *;
 [X]WO9967325  (WACKER CHEMIE GMBH [DE], et al) [X] 1-12 * the whole document *;
 [AD]WO2004111382  (HALLIBURTON ENERGY SERV INC [US], et al) [AD] 1-20 * the whole document *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.