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Extract from the Register of European Patents

EP About this file: EP3231795

EP3231795 - METHOD FOR PREPARING 2,5-DISUBSTITUTED FURAN COMPOUND [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.07.2022
Database last updated on 26.06.2024
FormerThe patent has been granted
Status updated on  13.08.2021
FormerGrant of patent is intended
Status updated on  19.04.2021
FormerExamination is in progress
Status updated on  18.02.2020
FormerRequest for examination was made
Status updated on  15.09.2017
FormerThe international publication has been made
Status updated on  11.07.2017
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): TR		published on 17.07.2024 [2024/29]
Applicant(s)For all designated states
Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
No. 519, Zhuangshi Road
Zhenhai
Ningbo, Zhejiang 315201 / CN
[2021/37]
Former [2017/42]For all designated states
Ningbo Institute Of Material Technology And Engineering Chinese Academy of Sciences
519 Zhuangshi Road Zhenhai District
Ningbo, Zhejiang 315201 / CN
Inventor(s)01 / WANG, Jinggang
No. 519 Zhuangshi Road
Zhenhai
Ningbo Zhejiang 315201 / CN
02 / LIU, Xiaoqing
No. 519 Zhuangshi Road
Zhenhai
Ningbo Zhejiang 315201 / CN
03 / ZHU, Jin
No. 519 Zhuangshi Road
Zhenhai
Ningbo Zhejiang 315201 / CN
04 / NA, Haining
No. 519 Zhuangshi Road
Zhenhai
Ningbo Zhejiang 315201 / CN
 [2017/42]
Representative(s)Ter Meer Steinmeister & Partner
Patentanwälte mbB
Nymphenburger Straße 4
80335 München / DE
[2017/42]
Application number, filing date14908044.217.12.2014
[2017/42]
WO2014CN94066
Priority number, dateCN20141076331311.12.2014         Original published format: CN201410763313
CN20141076523811.12.2014         Original published format: CN201410765238
CN20141076342811.12.2014         Original published format: CN201410763428
[2017/42]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2016090658
Date:16.06.2016
Language:ZH
[2016/24]
Type: A1 Application with search report 
No.:EP3231795
Date:18.10.2017
Language:EN
[2017/42]
Type: B1 Patent specification 
No.:EP3231795
Date:15.09.2021
Language:EN
[2021/37]
Search report(s)International search report - published on:CN16.06.2016
(Supplementary) European search report - dispatched on:EP04.10.2018
ClassificationIPC:C07D307/46
[2018/30]
CPC:
C07D307/46 (EP,US); C07D307/36 (EP,US)
Former IPC [2017/42]C07D307/36, C07D307/46
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 [2017/42]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINER 2,5-DISUBSTITUIERTEN FURANVERBINDUNG[2017/42]
English:METHOD FOR PREPARING 2,5-DISUBSTITUTED FURAN COMPOUND[2017/42]
French:PROCÉDÉ DE PRÉPARATION DE COMPOSÉ FURANE 2,5-DISUBSTITUÉ[2017/42]
Entry into regional phase10.07.2017Translation filed 
10.07.2017National basic fee paid 
10.07.2017Search fee paid 
10.07.2017Designation fee(s) paid 
10.07.2017Examination fee paid 
Examination proceduredeletedDeletion: Application deemed to be withdrawn, date of legal effect  [2017/42]
10.07.2017Examination requested  [2017/42]
10.07.2017Date on which the examining division has become responsible
21.08.2017Despatch of communication that the application is deemed to be withdrawn, reason: filing fee / search fee not paid in time  [2017/42]
21.03.2019Amendment by applicant (claims and/or description)
21.02.2020Despatch of a communication from the examining division (Time limit: M04)
22.06.2020Reply to a communication from the examining division
20.10.2020Despatch of a communication from the examining division (Time limit: M04)
04.02.2021Reply to a communication from the examining division
20.04.2021Communication of intention to grant the patent
09.08.2021Fee for grant paid
09.08.2021Fee for publishing/printing paid
09.08.2021Receipt of the translation of the claim(s)
Opposition(s)16.06.2022No opposition filed within time limit [2022/34]
Request for further processing for:24.08.2017Request for further processing filed
24.08.2017Full payment received (date of receipt of payment)
Request granted
01.09.2017Decision despatched
Fees paidRenewal fee
10.07.2017Renewal fee patent year 03
22.12.2017Renewal fee patent year 04
29.11.2018Renewal fee patent year 05
29.11.2019Renewal fee patent year 06
26.11.2020Renewal fee patent year 07
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  TooltipHU17.12.2014
AL15.09.2021
AT15.09.2021
CY15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
MK15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
TR15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
LU17.12.2021
BE31.12.2021
IS15.01.2022
PT17.01.2022
[2024/29]
Former [2024/22]HU17.12.2014
AL15.09.2021
AT15.09.2021
CY15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
MK15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
LU17.12.2021
BE31.12.2021
IS15.01.2022
PT17.01.2022
Former [2023/30]HU17.12.2014
AL15.09.2021
AT15.09.2021
CY15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
LU17.12.2021
BE31.12.2021
IS15.01.2022
PT17.01.2022
Former [2023/28]HU17.12.2014
AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
LU17.12.2021
BE31.12.2021
IS15.01.2022
PT17.01.2022
Former [2023/10]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
LU17.12.2021
BE31.12.2021
IS15.01.2022
PT17.01.2022
Former [2023/01]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
LU17.12.2021
BE31.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/46]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
LU17.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/36]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/33]AL15.09.2021
AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/29]AL15.09.2021
AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/25]AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/24]AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/23]AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
PL15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
PT17.01.2022
Former [2022/21]AT15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
RS15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
Former [2022/10]FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
RS15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
Former [2022/09]FI15.09.2021
LT15.09.2021
RS15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
Former [2022/08]FI15.09.2021
LT15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
Former [2022/07]LT15.09.2021
NO15.12.2021
Documents cited:Search[A]  - YAHATA ET AL, "Methodology for in Situ Protection of Aldehydes and Ketones Using Trimethylsilyl Trifluoromethanesulfonate and Phosphines: Selective Alkylation and Reduction of Ketones, Esters, Amides, and Nitriles", CHEMICAL AND PHARMACEUTICAL BULLETIN,, (20130101), vol. 61, no. 12, pages 1298 - 1307, XP003032462 [A] 1-3,5-13,15 * page 1302; example 9 and 10 *

DOI:   http://dx.doi.org/10.1248/cpb.c13-00666
 [X]  - Dae-Wi Yoon ET AL, "Supporting Information for Phenyl-, pyrrole-, and furan-containing diametrically strapped calix[4]pyrroles. An experimental and theoretical study of hydrogen bonding effects in chloride anion recognition", Angewandte Chemie, International Edition, (20080616), pages 1 - 52, URL: https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002/anie.200801426&attachmentId=155789934, (20180611), XP055483123 [X] 1,5,7,8 * page SI4, paragraph l - page SI5 *
 [X]  - WANG H-S ET AL, "Tandem reactions of Friedel-Crafts/aldehyde cyclotrimerization catalyzed by an organotungsten Lewis acid", TETRAHEDRON LET, ELSEVIER, AMSTERDAM, NL, (20020204), vol. 43, no. 6, doi:10.1016/S0040-4039(01)02323-1, ISSN 0040-4039, pages 1051 - 1055, XP004333957 [X] 1,7,8 * Scheme 2; page 1'053; table 1 *

DOI:   http://dx.doi.org/10.1016/S0040-4039(01)02323-1
 [X]  - KHUSNUTDINOV R I ET AL, "Synthesis of methyl furan-2-carboxylate and dimethyl furan-2,5-dicarboxylate by copper-catalyzed reactions of furans with CCl4and MeOH", RUSSIAN CHEMICAL BULLETIN, SPRINGER NEW YORK LLC, US, vol. 62, no. 1, doi:10.1007/S11172-013-0012-6, ISSN 1066-5285, (20140111), pages 93 - 97, (20140111), XP035321011 [X] 1,2,5-8 * Scheme 1; page 93 *

DOI:   http://dx.doi.org/10.1007/s11172-013-0012-6
International search[A]CN102120735  (UNIV TSINGHUA) [A] 1-10 * , the whole document, particularly claim 1 *;
 [A]  - SHEN, YONGMIAO et al., "Synthesis of 5-Methyl-2-propionylfuran with Sulfonic Acidic Ionic Liquid as Catalyst", APPLIED CHEMICAL INDUSTRY, (20110128), vol. 40, no. 1, pages 82 - 87, XP008185625 [A] 1-10 * , pages 82, 83 and 87, see page 87 *
 [A]  - LIU, XUDONG et al., "Synthesis of 2,5-Diethyltetrahydrofuran with Mint Smell", FLAVOUR FRAGRANCE COSMETICS, (20121030), pages 14 - 24, XP008185623 [A] 1-10 * see page 15 *
 [A]  - TRIANTAFYLLAKIS, M. et al., "Singlet Oxygen-mediated Synthesis of Bis-spiroketals Found in Azaspiracids", ORGANIC LETTERS, (20140528), vol. 16, no. 11, pages 3150 - 3153, XP 055398099 [A] 1-10 * , see page 3151, Scheme 2 *
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.