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Extract from the Register of European Patents

EP About this file: EP4524187

EP4524187 - METHOD OF PREPARING MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, AND MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, RECYCLED PLASTIC, AND MOLDED ARTICLE USING SAME [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  14.02.2025
Database last updated on 30.03.2026
FormerThe international publication has been made
Status updated on  08.02.2025
Formerunknown
Status updated on  20.11.2024
Most recent event   Tooltip25.11.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
LG CHEM, LTD.
128, Yeoui-daero
Yeongdeungpo-gu
Seoul 07336 / KR
[2025/12]
Inventor(s)01 / LEE, Jeongbin
Daejeon 34122 / KR
02 / KIM, Jeongnam
Daejeon 34122 / KR
03 / KIM, Minju
Daejeon 34122 / KR
04 / HWANG, Jihwan
Daejeon 34122 / KR
05 / HONG, Mooho
Daejeon 34122 / KR
 [2025/12]
Representative(s)Goddar, Heinz J.
Boehmert & Boehmert
Anwaltspartnerschaft mbB
Pettenkoferstrasse 22
80336 München / DE
[2025/12]
Application number, filing date23936788.123.11.2023
[2025/12]
WO2023KR18958
Priority number, dateKR2023009884328.07.2023         Original published format: KR 20230098843
[2025/12]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2025028724
Date:06.02.2025
Language:KO
[2025/06]
Type: A1 Application with search report 
No.:EP4524187
Date:19.03.2025
Language:EN
[2025/12]
Search report(s)International search report - published on:KR06.02.2025
(Supplementary) European search report - dispatched on:EP05.11.2025
ClassificationIPC:C08J11/10, C08G64/30, C08J11/24, C07C37/055, C07C37/84, C07C39/16
[2025/49]
CPC:
C07C37/0555 (EP,KR); C08J11/10 (KR); C08J11/16 (US);
C07C37/006 (US); C07C37/685 (EP); C07C37/82 (EP);
C07C37/84 (EP,KR); C07C39/16 (KR); C08G64/305 (KR);
C08J11/24 (EP); C08G64/06 (EP); C08G64/42 (EP);
C08J2369/00 (EP,KR,US); Y02W30/62 (EP,KR) (-)
C-Set:
C07C37/0555, C07C39/16 (EP);
C07C37/685, C07C39/16 (EP);
C07C37/82, C07C39/16 (EP);
C07C37/84, C07C39/16 (EP)
Former IPC [2025/12]C08J11/10, C08G64/30, C07C37/055, C07C37/84, C07C39/16
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/12]
Extension statesBANot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINER MONOMERZUSAMMENSETZUNG ZUR SYNTHESE VON RECYCELTEM KUNSTSTOFF UND MONOMERZUSAMMENSETZUNG ZUR SYNTHESE VON RECYCELTEM KUNSTSTOFF, RECYCELTER KUNSTSTOFF UND FORMARTIKEL DAMIT[2025/12]
English:METHOD OF PREPARING MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, AND MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, RECYCLED PLASTIC, AND MOLDED ARTICLE USING SAME[2025/12]
French:PROCÉDÉ DE PRÉPARATION D'UNE COMPOSITION MONOMÈRE POUR LA SYNTHÈSE DE PLASTIQUE RECYCLÉ ET COMPOSITION MONOMÈRE POUR LA SYNTHÈSE DE PLASTIQUE RECYCLÉ, PLASTIQUE RECYCLÉ ET ARTICLE MOULÉ L'UTILISANT[2025/12]
Entry into regional phase20.11.2024Translation filed 
20.11.2024National basic fee paid 
20.11.2024Search fee paid 
20.11.2024Designation fee(s) paid 
20.11.2024Examination fee paid 
Examination procedure20.11.2024Amendment by applicant (claims and/or description)
20.11.2024Examination requested  [2025/12]
Fees paidRenewal fee
24.11.2025Renewal fee patent year 03
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Documents cited:Search[XI] KR20230039102  (LG CHEMICAL LTD et al.) [X] 13-15 * paragraphs [0143] - [0149]; claims 1,19,20 *[I] 1-12
International search[XA] WO2023038266  (LG CHEMICAL LTD et al.) [X] 18-20 * See paragraphs [0027], [0036]-[0045], [0097], [0104], [0156]-[0165], [0210] and [0211]; and claims 1, 3, 7, 17, 18 and 20. *[A] 1-17
 [A] JP2006022183  (TEIJIN CHEMICALS LTD et al.) [A] 1-20 * See paragraphs [0009] and [0032]. *
 [A] KR20150028359  (SAUDI BASIC IND CORP et al.) [A] 1-20 * See paragraphs [0073] and [0074]. *
 [A] KR20040055726   [A] 1-20 * See claims 1, 4, 7 and 10. *
 [A] JP2001160243  (VICTOR COMPANY OF JAPAN et al.) [A] 1-20 * See claims 1 and 3. *
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.