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Extract from the Register of European Patents

EP About this file: EP4011642

EP4011642 - CONJUGATED-DIENE-BASED POLYMER, BRANCHING AGENT, METHOD FOR PRODUCING CONJUGATED-DIENE-BASED POLYMER, OIL-EXTENDED CONJUGATED-DIENE-BASED POLYMER, RUBBER COMPOSITION, AND TIRE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.08.2024
Database last updated on 18.01.2025
FormerThe patent has been granted
Status updated on  08.09.2023
FormerGrant of patent is intended
Status updated on  27.04.2023
FormerExamination is in progress
Status updated on  30.09.2022
FormerRequest for examination was made
Status updated on  13.05.2022
FormerThe international publication has been made
Status updated on  12.02.2021
Most recent event   Tooltip01.11.2024Lapse of the patent in a contracting state
New state(s): SI		published on 04.12.2024  [2024/49]
Applicant(s)For all designated states
Asahi Kasei Kabushiki Kaisha
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 1000006 / JP
[2022/24]
Inventor(s)01 / SUMITANI, Shogo
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho, Chiyoda-ku
Tokyo 100-0006 / JP
02 / HISAMURA, Kenta
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho, Chiyoda-ku
Tokyo 100-0006 / JP
03 / SEKIKAWA, Shinichi
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho, Chiyoda-ku
Tokyo 100-0006 / JP
04 / KYO, Miki
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho, Chiyoda-ku
Tokyo 100-0006 / JP
05 / TOBO, Shuri
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho, Chiyoda-ku
Tokyo 100-0006 / JP
 [2023/41]
Former [2022/24]01 / SUMITANI, Shogo
c/o ASAHI KASEI KABUSHIKI KAISHA, 1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
02 / HISAMURA, Kenta
c/o ASAHI KASEI KABUSHIKI KAISHA, 1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
03 / SEKIKAWA, Shinichi
c/o ASAHI KASEI KABUSHIKI KAISHA, 1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
04 / KYO, Miki
c/o ASAHI KASEI KABUSHIKI KAISHA, 1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
05 / TOBO, Shuri
c/o ASAHI KASEI KABUSHIKI KAISHA, 1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[2022/24]
Application number, filing date20849553.122.07.2020
[2022/24]
WO2020JP28486
Priority number, dateJP2019014466906.08.2019         Original published format: JP 2019144669
[2022/24]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021024811
Date:11.02.2021
Language:JA
[2021/06]
Type: A1 Application with search report 
No.:EP4011642
Date:15.06.2022
Language:EN
[2022/24]
Type: B1 Patent specification 
No.:EP4011642
Date:11.10.2023
Language:EN
[2023/41]
Search report(s)International search report - published on:JP11.02.2021
(Supplementary) European search report - dispatched on:EP19.09.2022
ClassificationIPC:B60C1/00, C08C19/25, C08C19/22, C08L15/00, C08F236/06, C08K3/04, C08K3/36, C08F4/48
[2023/18]
CPC:
C08C19/22 (EP,US); C08F236/10 (KR,US); B60C1/00 (CN,US);
B60C1/0016 (EP); B60C1/0025 (EP); B60C1/0041 (EP);
C08C19/25 (EP,CN,US); C08F230/08 (KR); C08F236/06 (EP);
C08F8/32 (KR); C08F8/42 (KR); C08K3/04 (EP);
C08K3/36 (EP); C08L15/00 (CN,KR); C08L21/00 (KR);
C08L9/06 (KR); B60C2001/005 (EP); Y02T10/86 (EP) (-)
C-Set:
C08F236/06, C08F4/48 (EP);
C08K3/04, C08L15/00 (EP);
C08K3/36, C08L15/00 (EP);
C08F236/06, C08F212/08 (EP)
Former IPC [2022/24]B60C1/00, C08C19/25, C08L15/00
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 [2022/24]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:POLYMER BASIEREND AUF KONJUGIERTEM DIEN, VERZWEIGUNGSMITTEL, VERFAHREN ZUR HERSTELLUNG VON POLYMER BASIEREND AUF KONJUGIERTEM DIEN, MIT ÖL VERSTRECKTES POLYMER BASIEREND AUF KONJUGIERTEM DIEN, KAUTSCHUKZUSAMMENSETZUNG UND REIFEN[2022/24]
English:CONJUGATED-DIENE-BASED POLYMER, BRANCHING AGENT, METHOD FOR PRODUCING CONJUGATED-DIENE-BASED POLYMER, OIL-EXTENDED CONJUGATED-DIENE-BASED POLYMER, RUBBER COMPOSITION, AND TIRE[2022/24]
French:POLYMÈRE À BASE DE DIÈNE CONJUGUÉ, AGENT DE RAMIFICATION, PROCÉDÉ POUR PRODUIRE UN POLYMÈRE À BASE DE DIÈNE CONJUGUÉ, POLYMÈRE À BASE DE DIÈNE CONJUGUÉ ÉTENDU À L'HUILE, COMPOSITION DE CAOUTCHOUC, ET PNEU[2022/24]
Entry into regional phase26.01.2022Translation filed 
25.02.2022National basic fee paid 
25.02.2022Search fee paid 
25.02.2022Designation fee(s) paid 
25.02.2022Examination fee paid 
Examination procedure26.01.2022Amendment by applicant (claims and/or description)
25.02.2022Examination requested  [2022/24]
19.09.2022Date on which the examining division has become responsible
30.09.2022Despatch of a communication from the examining division (Time limit: M04)
21.12.2022Reply to a communication from the examining division
28.04.2023Communication of intention to grant the patent
04.09.2023Fee for grant paid
04.09.2023Fee for publishing/printing paid
04.09.2023Receipt of the translation of the claim(s)
Opposition(s)12.07.2024No opposition filed within time limit [2024/38]
Fees paidRenewal fee
31.07.2022Renewal fee patent year 03
31.07.2023Renewal fee patent year 04
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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  TooltipAT11.10.2023
CZ11.10.2023
DK11.10.2023
EE11.10.2023
ES11.10.2023
HR11.10.2023
IT11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SE11.10.2023
SI11.10.2023
SK11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
[2024/49]
Former [2024/36]AT11.10.2023
CZ11.10.2023
DK11.10.2023
EE11.10.2023
ES11.10.2023
HR11.10.2023
IT11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SE11.10.2023
SK11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/35]AT11.10.2023
CZ11.10.2023
DK11.10.2023
EE11.10.2023
ES11.10.2023
HR11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SE11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/33]AT11.10.2023
DK11.10.2023
ES11.10.2023
HR11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RS11.10.2023
SE11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/27]AT11.10.2023
ES11.10.2023
HR11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RS11.10.2023
SE11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/23]AT11.10.2023
ES11.10.2023
LT11.10.2023
NL11.10.2023
BG11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/21]LT11.10.2023
NL11.10.2023
BG11.01.2024
GR12.01.2024
IS11.02.2024
Former [2024/20]NL11.10.2023
GR12.01.2024
IS11.02.2024
Former [2024/17]NL11.10.2023
Documents cited:Search[A]WO2017111499  ;
 [A]EP3502146  (ASAHI CHEMICAL IND [JP]);
 [E]EP3862371  (ASAHI CHEMICAL IND [JP]);
 [E]EP4026704  (ASAHI CHEMICAL IND [JP]);
International search[XY]US2006142500  (LEE KWAN-YOUNG [KR], et al);
 [XY]JP2011089086  (SUMITOMO RUBBER IND, et al);
 [A]CN105837751  (UNIV DALIAN TECH);
 [Y]WO2016133154  (ASAHI CHEMICAL IND [JP]);
 [PX]WO2020070961  (ASAHI CHEMICAL IND [JP])
by applicantJPS428704B
 JPS436636B
 JPS59140211
 JPS634841
 JPS6437970
 JPS6453851
 JPH029041
 JPH08109219
 JPH11189616
 JP2003171418
 JP2005290355
 WO2007114203
 JP2019144669
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.