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Extract from the Register of European Patents

EP About this file: EP3922661

EP3922661 - METHOD FOR THE PREPARATION OF POLYOXYMETHYLENE POLYOXYALKYLENE COPOLYMERS [Right-click to bookmark this link]
StatusThe application has been published
Status updated on  12.11.2021
Database last updated on 25.09.2024
Most recent event   Tooltip06.08.2024New entry: Additional fee for renewal fee: despatch of communication + time limit 
Applicant(s)For all designated states
Covestro Deutschland AG
Kaiser-Wilhelm-Allee 60
51373 Leverkusen / DE
[2021/50]
Representative(s)Levpat
c/o Covestro AG
Gebäude 4825
51365 Leverkusen / DE
[2021/50]
Application number, filing date20179673.712.06.2020
[2021/50]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3922661
Date:15.12.2021
Language:DE
[2021/50]
Search report(s)(Supplementary) European search report - dispatched on:EP26.10.2020
ClassificationIPC:C08G65/26, C08G18/56, C08G2/00
[2021/50]
CPC:
C08G18/4866 (EP); C08G65/2663 (EP,US); C08G18/56 (EP,US);
C08G2/06 (EP); C08G2/22 (EP); C08G65/2609 (EP)
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 [2021/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON POLYOXYMETHYLEN-POLYOXYALKYLEN-COPOLYMEREN[2021/50]
English:METHOD FOR THE PREPARATION OF POLYOXYMETHYLENE POLYOXYALKYLENE COPOLYMERS[2021/50]
French:PROCÉDÉ DE FABRICATION DE COPOLYMÈRES POLYOXYMÉTHYLÈNE-POLYOXYALKYLÈNE[2021/50]
Examination procedure20.12.2021Despatch of communication that the application is refused, reason: Examination on filing A.90(5) {1}
Fees paidPenalty fee
Additional fee for renewal fee
30.06.202203   M06   Not yet paid
30.06.202304   M06   Not yet paid
30.06.202405   M06   Not yet paid
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Documents cited:Search[AD]WO2015155094  (BAYER MATERIALSCIENCE AG [DE])
by applicantUS3404109
 US3436375
 US3829505
 US3941849
 WO8101712
 US5158922
 US5470813
 EP0700949
 EP0743093
 EP0761708
 WO9740086
 WO9816310
 JP2928823B
 WO0047649
 WO0139883
 WO0180994
 JP3263454B
 EP1359177
 US7304172
 JP4145123B
 US2012165549
 WO2015155094
 WO2020083814
 EP20180207740
 WO2019EP81407
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.