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Extract from the Register of European Patents

EP About this file: EP3424989

EP3424989 - METHOD OF PREPARING SUPERABSORBENT POLYMER [Right-click to bookmark this link]
Former [2019/02]METHOD FOR PREPARING SUPERABSORBENT POLYMER
[2020/44]
StatusNo opposition filed within time limit
Status updated on  22.10.2021
Database last updated on 02.11.2024
FormerThe patent has been granted
Status updated on  13.11.2020
FormerGrant of patent is intended
Status updated on  14.10.2020
FormerExamination is in progress
Status updated on  20.12.2019
FormerRequest for examination was made
Status updated on  07.12.2018
FormerThe international publication has been made
Status updated on  30.06.2018
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024  [2024/42]
Applicant(s)For all designated states
LG Chem, Ltd.
128, Yeoui-daero
Yeongdeungpo-gu
Seoul 07336 / KR
[2019/02]
Inventor(s)01 / KIM, Jun Kyu
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
02 / YOON, Hyung Ki
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
03 / NAM, Dae Woo
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
04 / SEONG, Bo Hyun
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
05 / HONG, Yeon Woo
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
06 / HEO, Seong Beom
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
07 / JUNG, Seon Jung
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
08 / JEONG, Ji Yoon
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
09 / JANG, Tae Hwan
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
10 / KIM, Su Jin
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
 [2019/02]
Representative(s)Goddar, Heinz J.
Boehmert & Boehmert
Anwaltspartnerschaft mbB
Pettenkoferstrasse 22
80336 München / DE
[2019/02]
Application number, filing date17885216.605.01.2017
[2019/02]
WO2017KR00158
Priority number, dateKR2016017493320.12.2016         Original published format: KR 20160174933
[2019/02]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018117323
Date:28.06.2018
Language:KO
[2018/26]
Type: A1 Application with search report 
No.:EP3424989
Date:09.01.2019
Language:EN
[2019/02]
Type: B1 Patent specification 
No.:EP3424989
Date:16.12.2020
Language:EN
[2020/51]
Search report(s)International search report - published on:KR28.06.2018
(Supplementary) European search report - dispatched on:EP14.05.2019
ClassificationIPC:C08J3/24, C08J3/12, C08J3/075, C08J9/04, C08K5/37, C08F2/44, A61L15/60, B01J20/26, B01J20/30
[2019/24]
CPC:
B01J20/267 (EP,US); C08J3/245 (KR,US); A61L15/60 (EP,US);
B01J20/28004 (EP,US); B01J20/28021 (EP,US); B01J20/3021 (EP,US);
B01J20/3064 (EP,US); B01J20/3085 (EP,US); B01J20/321 (US);
B01J20/3219 (US); B01J20/3282 (US); B01J20/3293 (US);
C08F2/44 (EP,KR,US); C08F20/06 (US); C08J3/075 (EP,KR,US);
C08J3/12 (EP,KR,US); C08J3/24 (EP,US); C08J9/04 (EP,KR,US);
C08K5/37 (EP,KR,US); B01J2220/68 (EP,US); C08F2810/20 (US);
C08J2207/12 (KR); C08J2333/02 (EP,US) (-)
Former IPC [2019/02]C08J3/24, C08J3/12, C08J3/075, C08J9/04, C08K5/37, C08F2/44
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 [2019/02]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES STARK ABSORBIERENDEN POLYMERS[2019/02]
English:METHOD OF PREPARING SUPERABSORBENT POLYMER[2020/44]
French:PROCÉDÉ DE PRÉPARATION DE POLYMÈRE SUPERABSORBANT[2019/02]
Former [2019/02]METHOD FOR PREPARING SUPERABSORBENT POLYMER
Entry into regional phase01.10.2018Translation filed 
01.10.2018National basic fee paid 
01.10.2018Search fee paid 
01.10.2018Designation fee(s) paid 
01.10.2018Examination fee paid 
Examination proceduredeletedDate on which the examining division has become responsible
01.10.2018Examination requested  [2019/02]
21.06.2019Observations by third parties
10.10.2019Amendment by applicant (claims and/or description)
03.01.2020Despatch of a communication from the examining division (Time limit: M04)
29.04.2020Reply to a communication from the examining division
15.10.2020Communication of intention to grant the patent
10.11.2020Fee for grant paid
10.11.2020Fee for publishing/printing paid
10.11.2020Receipt of the translation of the claim(s)
Opposition(s)17.09.2021No opposition filed within time limit [2021/47]
Fees paidRenewal fee
14.12.2018Renewal fee patent year 03
23.01.2020Renewal 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  TooltipHU05.01.2017
AL16.12.2020
AT16.12.2020
CY16.12.2020
CZ16.12.2020
DK16.12.2020
EE16.12.2020
ES16.12.2020
FI16.12.2020
HR16.12.2020
IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
MK16.12.2020
MT16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SI16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
[2024/42]
Former [2024/23]HU05.01.2017
AL16.12.2020
AT16.12.2020
CY16.12.2020
CZ16.12.2020
DK16.12.2020
EE16.12.2020
ES16.12.2020
FI16.12.2020
HR16.12.2020
IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
MK16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SI16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2023/33]HU05.01.2017
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AT16.12.2020
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CZ16.12.2020
DK16.12.2020
EE16.12.2020
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FI16.12.2020
HR16.12.2020
IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SI16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2023/30]AL16.12.2020
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EE16.12.2020
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FI16.12.2020
HR16.12.2020
IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SI16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2022/23]AL16.12.2020
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CZ16.12.2020
DK16.12.2020
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FI16.12.2020
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IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SI16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2022/13]AL16.12.2020
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ES16.12.2020
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IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SI16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
PT16.04.2021
Former [2022/10]AL16.12.2020
AT16.12.2020
CZ16.12.2020
DK16.12.2020
EE16.12.2020
ES16.12.2020
FI16.12.2020
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IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
PT16.04.2021
Former [2022/08]AL16.12.2020
AT16.12.2020
CZ16.12.2020
DK16.12.2020
EE16.12.2020
ES16.12.2020
FI16.12.2020
HR16.12.2020
IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2022/07]AL16.12.2020
AT16.12.2020
CZ16.12.2020
DK16.12.2020
EE16.12.2020
FI16.12.2020
HR16.12.2020
IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
IE05.01.2021
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
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EE16.12.2020
FI16.12.2020
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IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
LU05.01.2021
CH31.01.2021
LI31.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2021/49]AL16.12.2020
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EE16.12.2020
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LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
LU05.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2021/48]AL16.12.2020
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EE16.12.2020
FI16.12.2020
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IT16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
LU05.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2021/45]AL16.12.2020
AT16.12.2020
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EE16.12.2020
FI16.12.2020
HR16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
LU05.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2021/43]AT16.12.2020
CZ16.12.2020
EE16.12.2020
FI16.12.2020
HR16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
LU05.01.2021
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2021/42]AT16.12.2020
CZ16.12.2020
EE16.12.2020
FI16.12.2020
HR16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
BG16.03.2021
NO16.03.2021
GR17.03.2021
IS16.04.2021
PT16.04.2021
Former [2021/41]AT16.12.2020
CZ16.12.2020
EE16.12.2020
FI16.12.2020
HR16.12.2020
LT16.12.2020
LV16.12.2020
MC16.12.2020
NL16.12.2020
PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
BG16.03.2021
NO16.03.2021
GR17.03.2021
PT16.04.2021
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EE16.12.2020
FI16.12.2020
HR16.12.2020
LT16.12.2020
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PL16.12.2020
RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
BG16.03.2021
NO16.03.2021
GR17.03.2021
PT16.04.2021
Former [2021/37]AT16.12.2020
CZ16.12.2020
EE16.12.2020
FI16.12.2020
HR16.12.2020
LT16.12.2020
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RO16.12.2020
RS16.12.2020
SE16.12.2020
SK16.12.2020
SM16.12.2020
BG16.03.2021
NO16.03.2021
GR17.03.2021
PT16.04.2021
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LT16.12.2020
LV16.12.2020
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SE16.12.2020
SK16.12.2020
SM16.12.2020
BG16.03.2021
NO16.03.2021
GR17.03.2021
PT16.04.2021
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SE16.12.2020
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Documents cited:Search[X]WO2016195376  ;
 [X]US2015283284  (AZAD MICHAEL [US], et al) [X] 1-3,6,7,9-11 * paragraphs [0080] - [0082] - [0222] - [0224]; example 1; claim - *;
 [E]EP3342802  (LG CHEMICAL LTD [KR]) [E] 1-11 * paragraphs [0064] - [0070] - [0109] - [0115]; example 1; claim - *;
 [E]EP3424987  (LG CHEMICAL LTD [KR]) [E] 1-4,6-11 * paragraphs [0012] - [0029] - [0059] , [0060]; example 1; claim - *;
 [X]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 2017, no. 02, Database accession no. 2016-76550Y, XP002791011 & WO2016195376 A1 20161208 (LG CHEM CO LTD) [X] 1-11 * abstract *
International search[A]US5338766  (PHAN DEAN V [US], et al) [A] 1-11 * See the entire document. *;
 [A]US2001038831  (PARK KIHAM [US], et al) [A] 1-11 * See the entire document. *;
 [A]US2005137546  (JOY MARK C [US], et al) [A] 1-11 * See the entire document. *;
 [A]US2014312273  (WATTEBLED LAURENT [DE], et al) [A] 1-11* See the entire document. *;
 [X]KR20160063956  (LG CHEMICAL LTD [KR]) [X] 1-11 * See paragraphs [0026], [0078], [0093], [0096], [0129]; claims !, 8-9; and example 1. *
by applicant   - ODIAN, Principle of Polymerization, Wiley, (19810000), page 203
    - REINHOLD SCHWALM, UV Coatings: Basics, Recent Developments and New Application, Elsevier, (20070000), page 115
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.