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Extract from the Register of European Patents

EP About this file: EP3814449

EP3814449 - SALT OF MONOCHLOROACETIC ACID WITH CHELATING AGENT FOR DELAYED ACIDIFICATION IN THE OIL FIELD INDUSTRY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.06.2023
Database last updated on 25.09.2024
FormerThe patent has been granted
Status updated on  15.07.2022
FormerGrant of patent is intended
Status updated on  15.03.2022
FormerRequest for examination was made
Status updated on  03.04.2021
FormerThe international publication has been made
Status updated on  03.01.2020
Formerunknown
Status updated on  25.06.2019
Most recent event   Tooltip26.01.2024Lapse of the patent in a contracting state
New state(s): MC		published on 28.02.2024  [2024/09]
Applicant(s)For all designated states
Nouryon Chemicals International B.V.
Velperweg 76
6824 BM Arnhem / NL
[2021/18]
Inventor(s)01 / VAN LARE, Cornelis Elizabeth Johannus
Esdoornstraat 22
6602 GE Wijchen / NL
02 / LEON MATHEUS, Maria Antonieta
Houtsingel 1
7214 GC Epse / NL
03 / SCHUTTE, Jannes
Laar-Enk 8
8162 CH Epe / NL
04 / KOOIJMAN, Cornelis
Zwolseweg 99
7412 AC Deventer / NL
 [2021/18]
Representative(s)LKGlobal UK Ltd.
Cambridge House
Henry Street
Bath BA1 1BT / GB
[2022/33]
Former [2021/18]LKGlobal UK Ltd.
Cambridge House, Henry Street
Bath BA1 1BT / GB
Application number, filing date19730365.417.06.2019
[2021/18]
WO2019EP65805
Priority number, dateEP2018017984926.06.2018         Original published format: EP 18179849
[2021/18]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020002011
Date:02.01.2020
Language:EN
[2020/01]
Type: A1 Application with search report 
No.:EP3814449
Date:05.05.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 02.01.2020 takes the place of the publication of the European patent application.
[2021/18]
Type: B1 Patent specification 
No.:EP3814449
Date:17.08.2022
Language:EN
[2022/33]
Search report(s)International search report - published on:EP02.01.2020
ClassificationIPC:C09K8/74
[2021/18]
CPC:
C09K8/74 (EP,RU,US); C09K8/76 (US); C09K2208/10 (US);
C09K2208/32 (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 [2021/18]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SALZ DER MONOCHLORESSIGSÄURE MIT CHELATBILDNER ZUR VERZÖGERTEN ANSÄUERUNG IN DER ÖLFELDINDUSTRIE[2021/18]
English:SALT OF MONOCHLOROACETIC ACID WITH CHELATING AGENT FOR DELAYED ACIDIFICATION IN THE OIL FIELD INDUSTRY[2021/18]
French:SEL D'ACIDE MONOCHLOROACÉTIQUE AVEC UN AGENT CHÉLATANT POUR UNE ACIDIFICATION RETARDÉE DANS L'INDUSTRIE DES CHAMPS PÉTROLIFÈRES[2022/08]
Former [2021/18]SEL D'ACIDE MONOCHLOROACÉTIQUE AVEC AGENT CHÉLATANT POUR UNE ACIDIFICATION RETARDÉE DANS L'INDUSTRIE DES CHAMPS PÉTROLIFÈRES
Entry into regional phase22.12.2020National basic fee paid 
22.12.2020Designation fee(s) paid 
22.12.2020Examination fee paid 
Examination procedure21.04.2020Request for preliminary examination filed
International Preliminary Examining Authority: EP
22.12.2020Examination requested  [2021/18]
22.12.2020Date on which the examining division has become responsible
05.07.2021Amendment by applicant (claims and/or description)
16.03.2022Communication of intention to grant the patent
06.07.2022Fee for grant paid
06.07.2022Fee for publishing/printing paid
06.07.2022Receipt of the translation of the claim(s)
Opposition(s)19.05.2023No opposition filed within time limit [2023/30]
Fees paidRenewal fee
28.06.2021Renewal fee patent year 03
27.06.2022Renewal 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  TooltipAL17.08.2022
AT17.08.2022
CZ17.08.2022
EE17.08.2022
ES17.08.2022
FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
MC17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
SI17.08.2022
SK17.08.2022
SM17.08.2022
GR18.11.2022
IS17.12.2022
PT19.12.2022
[2024/09]
Former [2023/37]AL17.08.2022
AT17.08.2022
CZ17.08.2022
EE17.08.2022
ES17.08.2022
FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
SI17.08.2022
SK17.08.2022
SM17.08.2022
GR18.11.2022
IS17.12.2022
PT19.12.2022
Former [2023/29]AL17.08.2022
AT17.08.2022
CZ17.08.2022
EE17.08.2022
ES17.08.2022
FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
SK17.08.2022
SM17.08.2022
GR18.11.2022
IS17.12.2022
PT19.12.2022
Former [2023/23]AT17.08.2022
CZ17.08.2022
EE17.08.2022
ES17.08.2022
FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
SK17.08.2022
SM17.08.2022
GR18.11.2022
IS17.12.2022
PT19.12.2022
Former [2023/22]AT17.08.2022
CZ17.08.2022
ES17.08.2022
FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
SM17.08.2022
GR18.11.2022
IS17.12.2022
PT19.12.2022
Former [2023/20]FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
SM17.08.2022
GR18.11.2022
IS17.12.2022
PT19.12.2022
Former [2023/12]FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
GR18.11.2022
IS17.12.2022
PT19.12.2022
Former [2023/11]FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
PL17.08.2022
RS17.08.2022
SE17.08.2022
GR18.11.2022
PT19.12.2022
Former [2023/10]FI17.08.2022
HR17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
RS17.08.2022
SE17.08.2022
GR18.11.2022
PT19.12.2022
Former [2023/09]FI17.08.2022
LT17.08.2022
LV17.08.2022
NL17.08.2022
RS17.08.2022
SE17.08.2022
PT19.12.2022
Former [2023/08]FI17.08.2022
LT17.08.2022
NL17.08.2022
RS17.08.2022
SE17.08.2022
Cited inInternational search[AD]US4122896  (SCHEUERMAN RONALD F, et al) [AD] 1-17* the whole document *;
 [XDI]US2009042748  (FULLER MICHAEL J [US]) [XD] 1,4,7,9,11,12,17 * claims * [I] 1-17;
 [XDI]US2014296113  (REYES ENRIQUE ANTONIO [US], et al) [XD] 1,7,9,11,12,17 * claims * [I] 1-17;
 [XDI]WO2015030801  (HALLIBURTON ENERGY SERV INC [US]) [XD] 1,2,7-9,11-13,17 * claims * * paragraph [0003] * [I] 1-17;
 [A]US2015211345  (REYES ENRIQUE A [US], et al) [A] 1-17 * paragraph [0046] - paragraph [0047] * * claims *
by applicantUS3885630
 US4122896
 US2009042748
 US2014296113
 WO2015030801
 GB2519388
 US2016115376
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.