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Extract from the Register of European Patents

EP About this file: EP3197978

EP3197978 - USE OF ENCAPSULATED POLYAMINES FOR LIMITING FLUID LOSS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.09.2022
Database last updated on 17.09.2024
FormerThe patent has been granted
Status updated on  08.10.2021
FormerGrant of patent is intended
Status updated on  25.07.2021
FormerExamination is in progress
Status updated on  21.09.2018
FormerRequest for examination was made
Status updated on  30.06.2017
FormerThe international publication has been made
Status updated on  21.02.2017
Most recent event   Tooltip06.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 09.10.2024 [2024/41]
Applicant(s)For all designated states
RHODIA OPERATIONS
9 rue des Cuirassiers
Immeuble Silex 2 Solvay
69003 Lyon / FR
[2022/28]
Former [2021/45]For all designated states
Rhodia Operations
52, rue de la Haie Coq
93300 Aubervilliers / FR
Former [2020/28]For all designated states
Rhodia Operations
52, rue de la Haie Coq
93300 Aubervilliers / FR
Former [2017/31]For all designated states
Rhodia Operations
25 rue de Clichy
75009 Paris / FR
Inventor(s)01 / CADIX, Arnaud
26 avenue Frayce
F-93400 Saint Ouen / FR
 [2017/31]
Representative(s)Osha BWB
2, rue de la Paix
75002 Paris / FR
[N/P]
Former [2021/45]Osha Liang
2, rue de la Paix
75002 Paris / FR
Former [2017/31]Cordier, Pascal Christian
Rhodia Operations
Direction de la Propriété Industrielle
40, rue de la Haie Coq
93306 Aubervilliers / FR
Application number, filing date15775137.125.09.2015
[2017/31]
WO2015EP72162
Priority number, dateEP2014029029226.09.2014         Original published format: EP 14290292
[2017/31]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2016046393
Date:31.03.2016
Language:EN
[2016/13]
Type: A1 Application with search report 
No.:EP3197978
Date:02.08.2017
Language:EN
The application published by WIPO in one of the EPO official languages on 31.03.2016 takes the place of the publication of the European patent application.
[2017/31]
Type: B1 Patent specification 
No.:EP3197978
Date:10.11.2021
Language:EN
[2021/45]
Search report(s)International search report - published on:EP31.03.2016
ClassificationIPC:C09K8/035, C09K8/512, C09K8/516, C09K8/68, C09K8/70, C09K8/88, C09K8/92
[2017/31]
CPC:
C09K8/035 (EP,CN,US); C09K8/44 (US); C09K8/512 (EP,CN,US);
C09K8/516 (EP,CN,US); C09K8/68 (US); C09K8/685 (EP,CN,US);
C09K8/70 (EP,CN,US); C09K8/887 (EP,CN,US); C09K8/92 (EP,CN,US);
E21B21/003 (US); E21B33/138 (US); E21B43/26 (EP,CN,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 [2017/31]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
TitleGerman:VERWENDUNG VON VERKAPSELTEN POLYAMINEN ZUR BEGRENZUNG DES FLÜSSIGKEITSVERLUSTS[2021/30]
English:USE OF ENCAPSULATED POLYAMINES FOR LIMITING FLUID LOSS[2017/31]
French:UTILISATION DE POLYAMINES ENCAPSULÉS POUR LIMITER LA PERTE DE FLUIDE[2021/30]
Former [2017/31]VERWENDUNG VON EINGEKAPSELTEN POLYAMINEN ZUR BEGRENZUNG DES FLÜSSIGKEITSVERLUSTS
Former [2017/31]UTILISATION DE POLYAMINES ENCAPSULÉES POUR LIMITER LA PERTE DE FLUIDE
Entry into regional phase26.04.2017National basic fee paid 
26.04.2017Designation fee(s) paid 
26.04.2017Examination fee paid 
Examination procedure21.02.2017Date on which the examining division has become responsible
26.04.2017Examination requested  [2017/31]
20.11.2017Amendment by applicant (claims and/or description)
19.09.2018Despatch of a communication from the examining division (Time limit: M06)
02.07.2019Reply to a communication from the examining division
05.11.2019Despatch of a communication from the examining division (Time limit: M06)
25.06.2020Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
04.09.2020Reply to a communication from the examining division
09.03.2021Despatch of a communication from the examining division (Time limit: M02)
12.05.2021Reply to a communication from the examining division
26.07.2021Communication of intention to grant the patent
27.09.2021Fee for grant paid
27.09.2021Fee for publishing/printing paid
27.09.2021Receipt of the translation of the claim(s)
Opposition(s)11.08.2022No opposition filed within time limit [2022/42]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the examination report
04.09.2020Request for further processing filed
04.09.2020Full payment received (date of receipt of payment)
Request granted
16.09.2020Decision despatched
The application is deemed to be withdrawn due to failure to reply to the examination report
02.07.2019Request for further processing filed
02.07.2019Full payment received (date of receipt of payment)
Request granted
12.07.2019Decision despatched
Fees paidRenewal fee
02.10.2017Renewal fee patent year 03
01.10.2018Renewal fee patent year 04
30.09.2019Renewal fee patent year 05
30.09.2020Renewal fee patent year 06
30.09.2021Renewal fee patent year 07
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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.
Lapses during opposition  TooltipHU25.09.2015
AL10.11.2021
AT10.11.2021
CY10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
MK10.11.2021
MT10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
[2024/41]
Former [2024/27]HU25.09.2015
AL10.11.2021
AT10.11.2021
CY10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
MK10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2024/21]HU25.09.2015
AL10.11.2021
AT10.11.2021
CY10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2024/18]HU25.09.2015
AL10.11.2021
AT10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2023/27]AL10.11.2021
AT10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2023/22]AL10.11.2021
AT10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2023/01]AL10.11.2021
AT10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/49]AL10.11.2021
AT10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/35]AT10.11.2021
CZ10.11.2021
DK10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/34]AT10.11.2021
EE10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SE10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/33]AT10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RS10.11.2021
SE10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/24]AT10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RS10.11.2021
SE10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/23]AT10.11.2021
ES10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
PL10.11.2021
RS10.11.2021
BG10.02.2022
PT10.03.2022
Former [2022/22]AT10.11.2021
FI10.11.2021
LT10.11.2021
RS10.11.2021
BG10.02.2022
Former [2022/21]AT10.11.2021
RS10.11.2021
BG10.02.2022
Former [2022/19]BG10.02.2022
Cited inInternational search[A]US2008223578  (BERKLAND CORY [US], et al) [A] 1-9 * paragraphs [0007] , [0009] , [0038]; examples 1-3; claims 1,8 *;
 [A]US2011114318  (EZELL RYAN G [US], et al) [A] 1-9 * paragraphs [0001] , [0047] , [0048] , [0081]; claims 1,2,10,18 *;
 [X]US2011237465  (LEE JESSE [FR], et al) [X] 1-3,6-9 * example 4; claims 9,14 *;
 [Y]US2013056199  (REDDY B RAGHAVA [US], et al) [Y] 1-9 * paragraphs [0025] , [0026] , [0111] - [0118]; example 1; claim 11 *;
 [XDY]US2014100304  (CADIX ARNAUD [FR], et al) [XD] 1-3,6-9 * examples 1,3; claims 17,12 * [Y] 1-9;
 [A]  - GJERTRUD MAURSTAD ET AL, "Metastable and stable states of xanthan polyelectrolyte complexes studied by atomic force microscopy", BIOPOLYMERS, (20040101), vol. 74, no. 3, doi:10.1002/bip.20073, ISSN 0006-3525, pages 199 - 213, XP055173584 [A] 1-9 * page 201 - page 203 *

DOI:   http://dx.doi.org/10.1002/bip.20073
 [A]  - AHMAD MORADI-ARAGHI, "A review of thermally stable gels for fluid diversion in petroleum production", JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, (20000101), vol. 26, no. 1, doi:10.1016/S0920-4105(00)00015-2, ISSN 0920-4105, pages 1 - 10, XP055173585 [A] 1-9 * pages 3,6 *

DOI:   http://dx.doi.org/10.1016/S0920-4105(00)00015-2
Examination   - BUENO VANIA BLASQUES ET AL, "Synthesis and swelling behavior of xanthan-based hydrogels", CARBOHYDRATE POLYMERS, APPLIED SCIENCE PUBLISHERS, LTD. BARKING, GB, (20121101), vol. 92, no. 2, doi:10.1016/J.CARBPOL.2012.10.062, ISSN 0144-8617, pages 1091 - 1099, XP028972940

DOI:   http://dx.doi.org/10.1016/j.carbpol.2012.10.062
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.