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Extract from the Register of European Patents

EP About this file: EP2935361

EP2935361 - PROCESS FOR THE PREPARATION OF (CO) POLYMERS OF CONJUGATED DIENES IN THE PRESENCE OF A CATALYTIC SYSTEM COMPRISING A BIS-IMINE COMPLEX OF COBALT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.10.2017
Database last updated on 05.07.2024
FormerThe patent has been granted
Status updated on  04.11.2016
Most recent event   Tooltip17.07.2020Lapse of the patent in a contracting state
New state(s): AL		published on 19.08.2020  [2020/34]
Applicant(s)For all designated states
Versalis S.p.A.
Piazza Boldrini 1
20097 San Donato Milanese (MI) / IT
[2015/44]
Inventor(s)01 / RICCI, Giovanni
Via E. Sartori 11/1
I-43126 Parma / IT
02 / SOMMAZZI, Anna
Piazza Mazzini 10
I-16038 Santa Margherita Genova / IT
03 / LEONE, Giuseppe
Via C. Saldini 38
I-20133 Milano / IT
04 / MASI, Francesco
Via Galvani 7
I-26866 Sant' Angelo Lodigiano / IT
05 / BOGLIA, Aldo
Via Dante 1
I-20026 Novate Milanese (Milano) / IT
 [2015/44]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2015/44]Mauro, Marina Eliana
Murgitroyd & Company
Piazza Borromeo, 12
20123 Milano / IT
Application number, filing date13826966.719.12.2013
[2015/44]
WO2013IB61125
Priority number, dateIT2012MI0219920.12.2012         Original published format: IT MI20122199
[2015/44]
Filing languageIT
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2014097199
Date:26.06.2014
Language:EN
[2014/26]
Type: A1 Application with search report 
No.:EP2935361
Date:28.10.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 26.06.2014 takes the place of the publication of the European patent application.
[2015/44]
Type: B1 Patent specification 
No.:EP2935361
Date:07.12.2016
Language:EN
[2016/49]
Search report(s)International search report - published on:EP26.06.2014
ClassificationIPC:C08F36/06, C08F136/06
[2015/44]
CPC:
C08F36/06 (EP,RU,US); C08F136/06 (EP,RU,US); C08F36/04 (RU);
C08F4/7096 (RU,US)
C-Set:
C08F136/06, C08F4/7006 (US,EP);
C08F36/06, C08F4/7006 (EP,US)
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 [2015/44]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:VERFAHREN FÜR DIE HERSTELLUNG VON (CO)POLYMEREN VON KONJUGIERTEN DIEN-MONOMEREN IN ANWESENHEIT EINES KATALYTISCHEN SYSTEMS, BEINHALTEND EINEN BIS-IMINO-KOBALTKOMPLEX[2016/49]
English:PROCESS FOR THE PREPARATION OF (CO) POLYMERS OF CONJUGATED DIENES IN THE PRESENCE OF A CATALYTIC SYSTEM COMPRISING A BIS-IMINE COMPLEX OF COBALT[2015/44]
French:PROCESSUS DE PRÉPARATION DE (CO)POLYMÈRES DE DIÈNE CONJUGUÉS EN PRÉSENCE D'UN SYSTÈME CATALYTIQUE COMPRENANT UN COMPLEXE DE COBALT AYANT UNE LIAISON BIS-IMINO[2016/49]
Former [2015/44]VERFAHREN ZUR HERSTELLUNG VON (CO)POLYMEREN AUS KONJUGIERTEN DIENEN IN GEGENWART EINES KATALYTISCHEN SYSTEMS MIT EINEM BIS-IMIN-KOBALTKOMPLEX
Former [2015/44]PROCÉDÉ DE PRÉPARATION DE (CO) POLYMÈRES DE DIÈNES CONJUGUÉS EN PRÉSENCE D'UN SYSTÈME CATALYTIQUE COMPRENANT UN COMPLEXE BIS-IMINE DE COBALT
Entry into regional phase15.07.2015National basic fee paid 
15.07.2015Designation fee(s) paid 
15.07.2015Examination fee paid 
Examination procedure15.07.2015Examination requested  [2015/44]
22.02.2016Amendment by applicant (claims and/or description)
24.05.2016Communication of intention to grant the patent
23.09.2016Fee for grant paid
23.09.2016Fee for publishing/printing paid
23.09.2016Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  24.05.2016
Opposition(s)08.09.2017No opposition filed within time limit [2017/46]
Fees paidRenewal fee
23.12.2015Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAL07.12.2016
CY07.12.2016
DK07.12.2016
EE07.12.2016
HR07.12.2016
LT07.12.2016
LV07.12.2016
MC07.12.2016
MK07.12.2016
RS07.12.2016
SI07.12.2016
SK07.12.2016
SM07.12.2016
IE19.12.2016
LU19.12.2016
MT19.12.2016
CH31.12.2016
LI31.12.2016
BG07.03.2017
GR08.03.2017
IS07.04.2017
[2020/34]
Former [2018/43]CY07.12.2016
DK07.12.2016
EE07.12.2016
HR07.12.2016
LT07.12.2016
LV07.12.2016
MC07.12.2016
MK07.12.2016
RS07.12.2016
SI07.12.2016
SK07.12.2016
SM07.12.2016
IE19.12.2016
LU19.12.2016
MT19.12.2016
CH31.12.2016
LI31.12.2016
BG07.03.2017
GR08.03.2017
IS07.04.2017
Former [2018/32]CY07.12.2016
DK07.12.2016
EE07.12.2016
HR07.12.2016
LT07.12.2016
LV07.12.2016
MC07.12.2016
MK07.12.2016
RS07.12.2016
SI07.12.2016
SK07.12.2016
SM07.12.2016
IE19.12.2016
LU19.12.2016
CH31.12.2016
LI31.12.2016
BG07.03.2017
GR08.03.2017
IS07.04.2017
Former [2017/51]DK07.12.2016
EE07.12.2016
HR07.12.2016
LT07.12.2016
LV07.12.2016
MC07.12.2016
RS07.12.2016
SI07.12.2016
SK07.12.2016
SM07.12.2016
IE19.12.2016
LU19.12.2016
CH31.12.2016
LI31.12.2016
BG07.03.2017
GR08.03.2017
IS07.04.2017
Former [2017/49]EE07.12.2016
HR07.12.2016
LT07.12.2016
LV07.12.2016
MC07.12.2016
RS07.12.2016
SI07.12.2016
SK07.12.2016
SM07.12.2016
IE19.12.2016
LU19.12.2016
CH31.12.2016
LI31.12.2016
BG07.03.2017
GR08.03.2017
IS07.04.2017
Former [2017/43]EE07.12.2016
HR07.12.2016
LT07.12.2016
LV07.12.2016
MC07.12.2016
RS07.12.2016
SK07.12.2016
SM07.12.2016
BG07.03.2017
GR08.03.2017
IS07.04.2017
Former [2017/28]HR07.12.2016
LT07.12.2016
LV07.12.2016
RS07.12.2016
GR08.03.2017
Former [2017/12]LV07.12.2016
Cited inInternational search[A]DE10038214  (GOODYEAR TIRE & RUBBER [US]) [A] 1-18 * the whole document *;
 [X]EP1367069  (DOW GLOBAL TECHNOLOGIES INC [US]) [X] 1-15* paragraph [[0042]] *;
 [X]WO2011086580  (RELIANCE IND LTD [IN], et al) [X] 18 * example 3 *;
 [X]  - SUYUN JIE ET AL, "Highly active and stereospecific polymerization of 1,3-butadiene catalyzed by dinuclear cobalt(ii) complexes bearing 3-aryliminomethyl-2-hydroxybenzaldehydes", DALTON TRANSACTIONS, (2011), vol. 40, no. 41, doi:10.1039/c1dt11073j, ISSN 1477-9226, page 10975, XP055061366 [X] 18 * table 4 *

DOI:   http://dx.doi.org/10.1039/c1dt11073j
 [X]  - KIM BU UNG ET AL, "Highly cis-selectivity and low molecular weight distribution polymerization of 1,3-butadiene with cobalt (II) pyridyl bis(imine) complexes in the presence of ethylaluminum sesquichloride: effect of methyl position in the ligand", STUDIES IN SURFACE SCIENCE AND CATALYSIS, ELSEVIER B.V, (2006), vol. 159, ISSN 0167-2991, pages 873 - 876, XP009169226 [X] 1-18 * table 1 *
by applicantIT1349141
 IT1349142
 IT1349143
 US3498963
 US3522332
 US3966697
 US4182813
 US4285833
 US4324939
 EP0277003
 EP0418044
 EP0421659
 EP0427697
 WO9200333
 WO9205208
 US5128295
 EP0495375
 EP0520732
 US5258475
 US5548045
 US5879805
 US7009013
 WO2011061151
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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.