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Extract from the Register of European Patents

EP About this file: EP4021949

EP4021949 - TREATMENT PROCESS OF POLYMERIC DISPERSIONS BASED ON THE USE OF SPECIFIC ORGANIC PEROXIDES [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  15.12.2022
Database last updated on 30.07.2024
FormerRequest for examination was made
Status updated on  03.06.2022
FormerThe international publication has been made
Status updated on  05.03.2021
Formerunknown
Status updated on  02.09.2020
Most recent event   Tooltip05.07.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
ARKEMA FRANCE
420, rue d'Estienne d'Orves
92700 Colombes / FR
[2022/27]
Inventor(s)01 / CHEN, Long
ARKEMA CHANGSHU FLUOROCHEMICAL CO. LTD.
Fluorochemical Industrial Park of Changshu
Economic
CHANGSHU, Jiangsu 215522 / CN
 [2022/27]
Representative(s)Arkema Patent
Arkema France
DRD-DPI
420, rue d'Estienne d'Orves
92705 Colombes Cedex / FR
[2022/27]
Application number, filing date20761249.027.08.2020
[2022/27]
WO2020EP73955
Priority number, dateFR2019000947328.08.2019         Original published format: FR 1909473
[2022/27]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021037969
Date:04.03.2021
Language:EN
[2021/09]
Type: A1 Application with search report 
No.:EP4021949
Date:06.07.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 04.03.2021 takes the place of the publication of the European patent application.
[2022/27]
Search report(s)International search report - published on:EP04.03.2021
ClassificationIPC:C08F6/00, C08F6/16, C08K5/14, C08J3/26
[2022/27]
CPC:
C08F6/006 (EP); C08J3/05 (US); C08K5/14 (EP,US);
C08J2333/08 (US)
C-Set:
C08F6/006, C08L51/003 (EP);
C08K5/14, C08L51/003 (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 [2022/27]
TitleGerman:VERFAHREN ZUR BEHANDLUNG VON POLYMERDISPERSIONEN BASIEREND AUF DER VERWENDUNG VON SPEZIFISCHEN ORGANISCHEN PEROXIDEN[2022/27]
English:TREATMENT PROCESS OF POLYMERIC DISPERSIONS BASED ON THE USE OF SPECIFIC ORGANIC PEROXIDES[2022/27]
French:PROCÉDÉ DE TRAITEMENT DE DISPERSIONS POLYMÈRES BASÉ SUR L'UTILISATION DE PEROXYDES ORGANIQUES SPÉCIFIQUES[2022/27]
Entry into regional phase04.02.2022National basic fee paid 
04.02.2022Designation fee(s) paid 
04.02.2022Examination fee paid 
Examination procedure04.02.2022Examination requested  [2022/27]
04.02.2022Date on which the examining division has become responsible
10.10.2022Amendment by applicant (claims and/or description)
14.12.2022Despatch of a communication from the examining division (Time limit: M06)
22.06.2023Reply to a communication from the examining division
23.02.2024Despatch of a communication from the examining division (Time limit: M04)
24.06.2024Reply to a communication from the examining division
Fees paidRenewal fee
19.07.2022Renewal fee patent year 03
05.07.2023Renewal fee patent year 04
04.07.2024Renewal fee patent year 05
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Cited inInternational search[I]US5886140  (OLIVARES MARGARITO ALBARRAN [MX], et al) [I] 1-13 * the whole document *;
 [I]DE19741184  (BASF AG [DE]) [I] 1-13 * the whole document *;
 [I]US2005222374  (MULLER HARMIN [DE], et al) [I] 1-13* the whole document *
by applicantUS3534009
 US4062662
 US6740691
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.