blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3283570

EP3283570 - METHOD FOR INHIBITING THE PERMEATION OF WATER IN AN EXTRACTION WELL OF A HYDROCARBON FLUID FROM AN UNDERGROUND RESERVOIR [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.07.2021
Database last updated on 05.10.2024
FormerThe patent has been granted
Status updated on  31.07.2020
FormerGrant of patent is intended
Status updated on  19.03.2020
FormerExamination is in progress
Status updated on  26.06.2019
FormerRequest for examination was made
Status updated on  19.01.2018
FormerThe international publication has been made
Status updated on  07.11.2016
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
Eni S.p.A.
Piazzale E. Mattei 1
00144 Roma / IT
[2018/08]
Inventor(s)01 / DEL GAUDIO, Lucilla
Via Trieste 16
20097 San Donato Milanese (MI) / IT
02 / LOREFICE, Roberto
Via Melegnano
20070 Vizzolo Predabissi (MI) / IT
03 / MORBIDELLI, Massimo Silvio
Via San Carlo 66
14030 Rocca d'Arazzo (AT) / IT
04 / MOSCATELLI, Davide
Via Gran Paradiso 20
20020 Arese (MI) / IT
 [2018/08]
Representative(s)Bottero, Carlo
Barzanò & Zanardo Milano S.p.A.
Via Borgonuovo, 10
20121 Milano / IT
[2018/08]
Application number, filing date16718912.513.04.2016
[2018/08]
WO2016IB52089
Priority number, dateIT2015UB0006713.04.2015         Original published format: IT UB20150067
[2018/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2016166672
Date:20.10.2016
Language:EN
[2016/42]
Type: A1 Application with search report 
No.:EP3283570
Date:21.02.2018
Language:EN
The application published by WIPO in one of the EPO official languages on 20.10.2016 takes the place of the publication of the European patent application.
[2018/08]
Type: B1 Patent specification 
No.:EP3283570
Date:02.09.2020
Language:EN
[2020/36]
Search report(s)International search report - published on:EP20.10.2016
ClassificationIPC:C08L33/06, E21B33/00, E21B43/00, C09K8/50, C08F220/06, C08F220/56, C08L33/26
[2018/08]
CPC:
C08F220/06 (EP,EA,US); C08L33/02 (EA,US); C08L33/06 (EP,EA,US);
C09K8/502 (EP,EA,US); E21B43/00 (EP,EA,US); E21B43/16 (EA,US);
C08F220/286 (EP,EA,US); C08F220/56 (EP,EA,US); C08F2800/20 (EA,US);
C08L2201/52 (EA,US); C08L2201/56 (EA,US); C08L33/26 (EP,EA,US);
C09K2208/10 (EP,EA,US) (-)
C-Set:
C08L33/06, C08F220/06, C08F220/286 (US,EP);
C08L33/06, C08F220/06, C08F220/56 (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 [2018/08]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUR HEMMUNG DER PERMEATION VON WASSER IN EINEM EXTRAKTIONSBOHRLOCH EINER KOHLENWASSERSTOFFFLÜSSIGKEIT AUS EINEM UNTERIRDISCHEN RESERVOIR[2018/08]
English:METHOD FOR INHIBITING THE PERMEATION OF WATER IN AN EXTRACTION WELL OF A HYDROCARBON FLUID FROM AN UNDERGROUND RESERVOIR[2018/08]
French:PROCÉDÉ D'INHIBITION DE LA PERMÉATION DE L'EAU DANS UN PUITS D'EXTRACTION D'UN FLUIDE HYDROCARBONÉ À PARTIR D'UN RÉSERVOIR SOUTERRAIN[2018/08]
Entry into regional phase12.10.2017National basic fee paid 
12.10.2017Designation fee(s) paid 
12.10.2017Examination fee paid 
Examination procedure12.10.2017Examination requested  [2018/08]
12.10.2017Date on which the examining division has become responsible
22.05.2018Amendment by applicant (claims and/or description)
01.07.2019Despatch of a communication from the examining division (Time limit: M04)
07.11.2019Reply to a communication from the examining division
20.03.2020Communication of intention to grant the patent
20.07.2020Fee for grant paid
20.07.2020Fee for publishing/printing paid
20.07.2020Receipt of the translation of the claim(s)
Opposition(s)03.06.2021No opposition filed within time limit [2021/32]
Fees paidRenewal fee
23.04.2018Renewal fee patent year 03
17.04.2019Renewal fee patent year 04
25.03.2020Renewal fee patent year 05
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  TooltipHU13.04.2016
AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
MK02.09.2020
MT02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
IE13.04.2021
LU13.04.2021
BE30.04.2021
CH30.04.2021
LI30.04.2021
[2024/41]
Former [2024/22]HU13.04.2016
AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
MK02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
IE13.04.2021
LU13.04.2021
BE30.04.2021
CH30.04.2021
LI30.04.2021
Former [2023/29]HU13.04.2016
AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
IE13.04.2021
LU13.04.2021
BE30.04.2021
CH30.04.2021
LI30.04.2021
Former [2022/34]AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
IE13.04.2021
LU13.04.2021
BE30.04.2021
CH30.04.2021
LI30.04.2021
Former [2022/23]AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
IE13.04.2021
LU13.04.2021
CH30.04.2021
LI30.04.2021
Former [2022/21]AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
PT04.01.2021
IE13.04.2021
LU13.04.2021
CH30.04.2021
LI30.04.2021
Former [2022/10]AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
PT04.01.2021
LU13.04.2021
CH30.04.2021
LI30.04.2021
Former [2022/04]AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
LU13.04.2021
Former [2021/50]AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
MC02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
Former [2021/37]AL02.09.2020
AT02.09.2020
CZ02.09.2020
DK02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
Former [2021/36]AL02.09.2020
AT02.09.2020
CZ02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SI02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
Former [2021/28]AL02.09.2020
AT02.09.2020
CZ02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SK02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
Former [2021/25]AL02.09.2020
AT02.09.2020
CZ02.09.2020
EE02.09.2020
ES02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
IS02.01.2021
PT04.01.2021
Former [2021/23]CZ02.09.2020
EE02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
SM02.09.2020
BG02.12.2020
GR03.12.2020
PT04.01.2021
Former [2021/22]CZ02.09.2020
EE02.09.2020
FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RO02.09.2020
RS02.09.2020
SE02.09.2020
BG02.12.2020
GR03.12.2020
PT04.01.2021
Former [2021/21]FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RS02.09.2020
SE02.09.2020
BG02.12.2020
GR03.12.2020
PT04.01.2021
Former [2021/10]FI02.09.2020
HR02.09.2020
LT02.09.2020
LV02.09.2020
PL02.09.2020
RS02.09.2020
SE02.09.2020
BG02.12.2020
GR03.12.2020
Former [2021/09]FI02.09.2020
LT02.09.2020
SE02.09.2020
BG02.12.2020
GR03.12.2020
Former [2021/08]FI02.09.2020
LT02.09.2020
SE02.09.2020
BG02.12.2020
Former [2021/07]FI02.09.2020
LT02.09.2020
Cited inInternational search[X]US4182417  (GIVENS STEVEN P [US], et al) [X] 1-15 * the whole document * * columns 1,3-4,6 *;
 [XY]WO2012013877  (SEPPIC SA [FR], et al) [X] 1-3,10-15 * the whole document * * page 3, line 17 - line 27 *[Y] 1-15;
 [Y]WO2012090153  (ENI SPA [IT], et al) [Y] 1-15 * the whole document *;
 [X]US2012261120  (DEL GAUDIO LUCILLA [IT], et al) [X] 1-15 * the whole document * * paragraphs [0018] - [0032] - [0040] - [0060]; example 1 *
by applicantUS3965986
 WO2012090153
    - SAENZ, JM; ASUA, JM, "Dispersion polymerization in polar-solvents", JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
    - SAENZ, JM; ASUA, JM, "Dispersion copolymerization of styrene and butyl acrylate in polar solvents", JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
    - VIVALDOLIMA, E; WOOD, PE; HAMIELEC, AE; PENLIDIS, A, "An updated review on suspension polymerization", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
    - ZOHURIAAN-MEHR, MJ; KABIRI, K, "Superabsorbent polymer materials: A review", IRANIAN POLYMER JOURNAL
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.