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Extract from the Register of European Patents

EP About this file: EP2582645

EP2582645 - A FLUID LOSS ADDITIVE CONTAINING A BIODEGRADABLE GRAFTED COPOLYMER FOR A CEMENT COMPOSITION [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  28.04.2017
Database last updated on 19.10.2024
FormerExamination is in progress
Status updated on  26.01.2017
Most recent event   Tooltip28.04.2017Application deemed to be withdrawnpublished on 31.05.2017  [2017/22]
Applicant(s)For all designated states
Halliburton Energy Services, Inc.
P.O. Box 1431
Duncan, OK 73536 / US
[2013/17]
Inventor(s)01 / SARAP, Girish, Dinkar
Sai Radhe Suite 401
Pune 411 001 / IN
02 / TARAFDAR, Abhijit
Sai Radhe Suite 401
Pune 411 001 / IN
03 / AK, Remitha
Sai Radhe Suite 401
Pune 411 001 / IN
 [2013/17]
Representative(s)Turner, Craig Robert, et al
AA Thornton IP LLP
8th Floor, 125 Old Broad Street
London EC2N 1AR / GB
[N/P]
Former [2013/17]Ono, Shusuke
A.A. Thornton & Co.
235 High Holborn
London WC1V 7LE / GB
Application number, filing date11728030.517.06.2011
WO2011GB00921
Priority number, dateUS2010081741517.06.2010         Original published format: US 817415
[2013/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2011158003
Date:22.12.2011
Language:EN
[2011/51]
Type: A1 Application with search report 
No.:EP2582645
Date:24.04.2013
Language:EN
The application published by WIPO in one of the EPO official languages on 22.12.2011 takes the place of the publication of the European patent application.
[2013/17]
Search report(s)International search report - published on:EP22.12.2011
ClassificationIPC:C04B28/02, C09K8/487
[2013/17]
CPC:
C09K8/487 (EP,US); C04B28/02 (EP,US)
C-Set:
C04B28/02, C04B24/18, C04B24/38, C04B2103/0059, C04B2103/0072, C04B2103/46 (EP,US);
C04B28/02, C04B24/2623, C04B24/38, C04B2103/0059, C04B2103/0072, C04B2103/46 (US,EP);
C04B28/02, C04B24/2641, C04B24/38, C04B2103/0059, C04B2103/0072, C04B2103/46 (EP,US);
C04B28/02, C04B24/2652, C04B24/38, C04B2103/0059, C04B2103/0072, C04B2103/46 (US,EP);
C04B28/02, C04B24/287, C04B24/38, C04B2103/0059, C04B2103/0072, C04B2103/46 (US,EP)
(-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2013/17]
TitleGerman:FLÜSSIGKEITSVERLUSTZUSATZ MIT EINEM BIOLOGISCH ABBAUBAREN PFROPFCOPOLYMER FÜR EINE ZEMENTZUSAMMENSETZUNG[2013/17]
English:A FLUID LOSS ADDITIVE CONTAINING A BIODEGRADABLE GRAFTED COPOLYMER FOR A CEMENT COMPOSITION[2013/17]
French:ADDITIF ANTI-PERTE DE FLUIDE CONTENANT UN COPOLYMÈRE GREFFÉ BIODÉGRADABLE POUR COMPOSITION DE CIMENT[2013/17]
Entry into regional phase06.12.2012National basic fee paid 
06.12.2012Designation fee(s) paid 
06.12.2012Examination fee paid 
Examination procedure06.12.2012Examination requested  [2013/17]
15.08.2013Amendment by applicant (claims and/or description)
04.11.2013Despatch of a communication from the examining division (Time limit: M04)
03.01.2014Reply to a communication from the examining division
03.01.2017Application deemed to be withdrawn, date of legal effect  [2017/22]
27.01.2017Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [2017/22]
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  04.11.2013
Fees paidRenewal fee
31.03.2013Renewal fee patent year 03
31.03.2014Renewal fee patent year 04
05.06.2015Renewal fee patent year 05
Penalty fee
Additional fee for renewal fee
30.06.201606   M06   Not yet paid
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Cited inInternational search[X]EP1881016  (NAT STARCH CHEM INVEST [US]) [X] 1-14 * examples 1-43; claims 1-23 *;
 [X]US2010122816  (LEWIS SAM [US], et al) [X] 1-14 * paragraph [0035] - paragraph [0042] * * claims 1-26 *;
 [A]US5499677  (COWAN KENNETH M [US]) [A] 1-14 * column 5, line 15 - line 62 *;
 [XP]US2011132605  (SARAP GIRISH DINKAR [IN], et al) [XP] 1-14 * claims 1-21; tables 1.1-3.1 *
by applicantEP1881016
 US2010122816
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.