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Extract from the Register of European Patents

EP About this file: EP2838970

EP2838970 - SURFACTANT FORMULATIONS FOR FOAM FLOODING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.11.2017
Database last updated on 18.03.2026
FormerThe patent has been granted
Status updated on  25.11.2016
FormerGrant of patent is intended
Status updated on  22.11.2016
Most recent event   Tooltip17.07.2020Lapse of the patent in a contracting state
New state(s): AL		published on 19.08.2020  [2020/34]
Applicant(s)For all designated states
Flotek Chemistry, LLC
1004 Plainsman Road
Marlow, OK 73055 / US
[2016/34]
Former [2015/09]For all designated states
Cesi Chemical, Inc.
1004 S. Plainsman Road
Marlow, OK 73055 / US
Inventor(s)01 / PENNY, Glenn, S.
14173 Northwest Freeway
118
Houston, TX 77040 / US
02 / BIAN, Yu
6218 Barkmist Lane
Katy, TX 77450 / US
03 / PURSLEY, John, T.
22 Golden Orchard Lane
The Woodlands, TX 77354 / US
 [2015/09]
Representative(s)Hertin und Partner Rechts- und Patentanwälte PartG mbB
Kurfürstendamm 63
10707 Berlin / DE
[N/P]
Former [2015/09]Hertin und Partner Rechts- und Patentanwälte PartG mbB
Kurfürstendamm 54/55
10707 Berlin / DE
Application number, filing date13778466.615.04.2013
[2016/52]
WO2013US36650
Priority number, dateUS201261624337P15.04.2012         Original published format: US 201261624337 P
US201261733872P05.12.2012         Original published format: US 201261733872 P
[2015/09]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013158567
Date:24.10.2013
Language:EN
[2013/43]
Type: A1 Application with search report 
No.:EP2838970
Date:25.02.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 24.10.2013 takes the place of the publication of the European patent application.
[2015/09]
Type: B1 Patent specification 
No.:EP2838970
Date:28.12.2016
Language:EN
[2016/52]
Search report(s)International search report - published on:US24.10.2013
(Supplementary) European search report - dispatched on:EP11.09.2015
ClassificationIPC:C09K8/02, C09K8/52
[2015/09]
CPC:
C09K8/584 (EP,US); C09K8/594 (EP,US); E21B43/16 (US);
E21B43/168 (US); C09K2208/10 (US)
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 [2015/09]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:TENSIDFORMULIERUNGEN FÜR SCHAUMÜBERFLUTUNG[2015/09]
English:SURFACTANT FORMULATIONS FOR FOAM FLOODING[2015/09]
French:FORMULATIONS DE TENSIO-ACTIF POUR INJECTION DE MOUSSE[2015/09]
Entry into regional phase14.11.2014National basic fee paid 
14.11.2014Search fee paid 
14.11.2014Designation fee(s) paid 
14.11.2014Examination fee paid 
Examination procedure14.11.2014Examination requested  [2015/09]
29.03.2016Amendment by applicant (claims and/or description)
29.07.2016Communication of intention to grant the patent
18.11.2016Fee for grant paid
18.11.2016Fee for publishing/printing paid
18.11.2016Receipt 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  29.07.2016
Opposition(s)29.09.2017No opposition filed within time limit [2017/49]
Fees paidRenewal fee
27.04.2015Renewal fee patent year 03
27.04.2016Renewal fee patent year 04
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.
Lapses during opposition  TooltipHU15.04.2013
AL28.12.2016
AT28.12.2016
BE28.12.2016
CY28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
MK28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SI28.12.2016
SK28.12.2016
SM28.12.2016
TR28.12.2016
BG28.03.2017
GR29.03.2017
IE15.04.2017
LU15.04.2017
MT15.04.2017
IS28.04.2017
PT28.04.2017
CH30.04.2017
LI30.04.2017
[2020/34]
Former [2020/15]HU15.04.2013
AT28.12.2016
BE28.12.2016
CY28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
MK28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SI28.12.2016
SK28.12.2016
SM28.12.2016
TR28.12.2016
BG28.03.2017
GR29.03.2017
IE15.04.2017
LU15.04.2017
MT15.04.2017
IS28.04.2017
PT28.04.2017
CH30.04.2017
LI30.04.2017
Former [2019/51]HU15.04.2013
AT28.12.2016
BE28.12.2016
CY28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
MK28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SI28.12.2016
SK28.12.2016
SM28.12.2016
BG28.03.2017
GR29.03.2017
IE15.04.2017
LU15.04.2017
MT15.04.2017
IS28.04.2017
PT28.04.2017
CH30.04.2017
LI30.04.2017
Former [2019/47]HU15.04.2013
AT28.12.2016
BE28.12.2016
CY28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SI28.12.2016
SK28.12.2016
SM28.12.2016
BG28.03.2017
GR29.03.2017
IE15.04.2017
LU15.04.2017
MT15.04.2017
IS28.04.2017
PT28.04.2017
CH30.04.2017
LI30.04.2017
Former [2019/31]HU15.04.2013
AT28.12.2016
BE28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SI28.12.2016
SK28.12.2016
SM28.12.2016
BG28.03.2017
GR29.03.2017
IE15.04.2017
LU15.04.2017
MT15.04.2017
IS28.04.2017
PT28.04.2017
CH30.04.2017
LI30.04.2017
Former [2018/43]AT28.12.2016
BE28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SI28.12.2016
SK28.12.2016
SM28.12.2016
BG28.03.2017
GR29.03.2017
IE15.04.2017
LU15.04.2017
MT15.04.2017
IS28.04.2017
PT28.04.2017
CH30.04.2017
LI30.04.2017
Former [2018/14]AT28.12.2016
BE28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SI28.12.2016
SK28.12.2016
SM28.12.2016
BG28.03.2017
GR29.03.2017
LU15.04.2017
IS28.04.2017
PT28.04.2017
CH30.04.2017
LI30.04.2017
Former [2018/06]AT28.12.2016
BE28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
MC28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SK28.12.2016
SM28.12.2016
BG28.03.2017
GR29.03.2017
IS28.04.2017
PT28.04.2017
Former [2017/42]AT28.12.2016
BE28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
IT28.12.2016
LT28.12.2016
LV28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SK28.12.2016
SM28.12.2016
BG28.03.2017
GR29.03.2017
IS28.04.2017
PT28.04.2017
Former [2017/36]BE28.12.2016
CZ28.12.2016
EE28.12.2016
ES28.12.2016
FI28.12.2016
HR28.12.2016
LT28.12.2016
LV28.12.2016
PL28.12.2016
RO28.12.2016
RS28.12.2016
SE28.12.2016
SK28.12.2016
GR29.03.2017
IS28.04.2017
Former [2017/34]CZ28.12.2016
FI28.12.2016
HR28.12.2016
LT28.12.2016
LV28.12.2016
RS28.12.2016
SE28.12.2016
GR29.03.2017
Former [2017/28]FI28.12.2016
HR28.12.2016
LT28.12.2016
LV28.12.2016
RS28.12.2016
SE28.12.2016
GR29.03.2017
Former [2017/12]LV28.12.2016
Documents cited:Search[A] US2012004146  (VAN ZANTEN RYAN et al.) [A] 1-15 * the whole document *
 [A] EP2374530  (MEXICANO INST PETROL et al.) [A] 1-15 * the whole document *
 [A] WO9214907  (WESTERN CO OF NORTH AMERICA et al.) [A] 1-15 * the whole document *
 [A] US2009151943  (NGUYEN PHILIP D et al.) [A] 1-15 * the whole document *
 [A] US2005039919  (HARRIS PHILLIP C et al.) [A] 1-15 * 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.