Register information Patent

DE file number : 60 2021 020 038.2 (Status: pending/in force, Query started: October 23, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INIDCriterionFieldContent
Type of IP rightSARTPatent
StatusSTPending/in force
21DE file number DAKZ60 2021 020 038.2
96EP file numberEAKZ21 77 3532.3
86WO file numberWAKZPCT/EP2021/074463
97EP publication numberEPN4214252
87WO publication numberWPN2022058190
54Designation/titleTIVERFAHREN ZUR HERSTELLUNG VON SUPERABSORBIERENDEN POLYMERPARTIKELN
51IPC main classICM
(ICMV)		 C08F 220/06 (2006.01)
51IPC secondary class(es)ICS
(ICSV)		 C08L 33/02 (2006.01)
22DE application dateDATSep 6, 2021
96EP application dateEATSep 6, 2021
86WO application dateWATSep 6, 2021
43Date of first publicationOTMar 24, 2022
Date of publication of grantPETOct 9, 2024
71/73Applicant/ownerINHBASF SE, 67063 Ludwigshafen, DE
72InventorINNUASAEN, Sukanya, Shanghai, Shanghai 200137, CN; ARSOON, Peannapa, 21140 Rayong, TH; HERFERT, Norbert, 67056 Ludwigshafen, DE
Address for service BASF SE, 67063 Ludwigshafen, DE
33
31
32
Foreign priorityPRC
PRNA
PRDA
WO
PCT/CN2020/115943
Sep 17, 2020
Due dateFT
FG		Sep 30, 2026
Annual fee for the 6th year Patent fees
Patent division in charge 44
97EP language of publicationELANGEN - Englisch
84Designated EP contracting statesEDSAL, 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
Published EP/WO documentsEPWOPNOriginal document: EP000004214252A1
Searchable text: EP000004214252A1
Original document: EP000004214252B1
Searchable text: EP000004214252B1
Original document: WO002022058190
Searchable text: WO002022058190
43Date of first publicationEVTMar 24, 2022
Date of the first transfer into DPMAregisterEREGTJul 26, 2023
Date of the (most recent) update in DPMAregisterREGTOct 8, 2025
(Show all update days)(Hide all update days)
  • Oct 8, 2025
    • Due date: changed
  • Sep 25, 2025
    • St.36: changed (technical change)
  • Aug 28, 2025
    • Procedures: Procedure relating to EP application, Grant has become final, 10.07.2025: new
  • May 6, 2025
    • Procedures: Procedure relating to EP application, EPO publication of mention of grant , 09.10.2024: new
    • Procedures: Procedure relating to EP application, EPO publication of mention of grant , 09.10.2024: deleted
  • Oct 6, 2024
    • Procedures: Publications, DPMA mention of EP grant, 31.10.2024: new
  • Sep 26, 2024
    • Applicant/owner: new
    • Address for service: new
    • Due date: new
  • Sep 19, 2024
    • DE file number : new
    • DE application date: new
    • Date of publication of grant: new
    • Published EP/WO documents: changed
    • File number displayed in the result list: changed
    • Procedures: Procedure relating to EP application, EPO publication of mention of grant , 09.10.2024: new
  • May 30, 2024
    • Historical data not available for this/these date(s)
  • Jul 26, 2023
    • Date of the first transfer into DPMAregister
Procedural data
No.Kind of procedureLegal statusDate of legal/procedural statusPublication dateAlle Details anzeigen
1 Procedure relating to PCT application WO publication Mar 24, 2022  Details anzeigen
2 Procedure relating to EP application EPO 1st publication Jul 26, 2023  Details anzeigen
3 Publications Publication of a mention regarding EP 1st publication by DPMA Sep 7, 2023 Sep 7, 2023 Details anzeigen
4 Procedure relating to EP application EPO publication of mention regarding patent grant (beginning of opposition period) Oct 9, 2024  Details anzeigen
5 Publications Publication by DPMA of mention regarding EP patent grant Oct 31, 2024 Oct 31, 2024 Details anzeigen
6 Procedure relating to EP application No opposition to patent grant filed, or opposition proceedings at EPO completed without decision Jul 10, 2025 Oct 2, 2025 Details anzeigen
View procedures Procedure relating to PCT application (No.: 1)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to PCT application
Legal/procedural statusVSTWO publication
Date of legal/procedural statusVSTTMar 24, 2022
Date of update of the procedureREGTJul 26, 2023
View procedures Procedure relating to EP application (No.: 2)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to EP application
Legal/procedural statusVSTEPO 1st publication
Date of legal/procedural statusVSTTJul 26, 2023
Date of update of the procedureREGTJul 26, 2023
View procedures Publications (No.: 3)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPublication of a mention regarding EP 1st publication by DPMA
Date of legal/procedural statusVSTTSep 7, 2023
Issue numberHN36
YearPJ2023
Publication dateVTSep 7, 2023
Type of publicationPARTBibliographic data
Date of update of the procedureREGTJul 26, 2023
View procedures Procedure relating to EP application (No.: 4)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to EP application
Legal/procedural statusVSTEPO publication of mention regarding patent grant (beginning of opposition period)
Date of legal/procedural statusVSTTOct 9, 2024
Date of update of the procedureREGTMay 6, 2025
View procedures Publications (No.: 5)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPublication by DPMA of mention regarding EP patent grant
Date of legal/procedural statusVSTTOct 31, 2024
Issue numberHN44
YearPJ2024
Publication dateVTOct 31, 2024
Type of publicationPARTBibliographic data
PartHTPart 5
Date of update of the procedureREGTOct 6, 2024
View procedures Procedure relating to EP application (No.: 6)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to EP application
Legal/procedural statusVSTNo opposition to patent grant filed, or opposition proceedings at EPO completed without decision
Date of legal/procedural statusVSTTJul 10, 2025
Issue numberHN40
YearPJ2025
Publication dateVTOct 2, 2025
Type of publicationPARTBibliographic data
PartHTPart 3
Date of update of the procedureREGTSep 25, 2025