blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3305754

EP3305754 - PROCESS FOR PRODUCING HIGHLY UNSATURATED FATTY ACID OF HIGH PURITY IN HIGH YIELD [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.09.2022
Database last updated on 01.01.2025
FormerThe patent has been granted
Status updated on  08.10.2021
FormerGrant of patent is intended
Status updated on  30.06.2021
FormerExamination is in progress
Status updated on  26.03.2021
FormerRequest for examination was made
Status updated on  09.03.2018
FormerThe international publication has been made
Status updated on  09.12.2016
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024  [2024/42]
Applicant(s)For all designated states
Bizen Chemical Co., Ltd.
363 Tokutomi Akaiwa-shi
Okayama 709-0716 / JP
[2018/15]
Inventor(s)01 / TABATA, Hiroshi
c/o BIZEN CHEMICAL CO., LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
02 / TAIRA, Tetsuro
c/o BIZEN CHEMICAL CO., LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
03 / FUJII, Jun
c/o BIZEN CHEMICAL CO., LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
04 / MISAWA, Yoshihisa
c/o BIZEN CHEMICAL CO., LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
05 / SHIMIZU, Yoshio
c/o BIZEN CHEMICAL CO., LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
 [2021/45]
Former [2018/15]01 / TABATA, Hiroshi
c/o BIZEN CHEMICAL CO. LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
02 / TAIRA, Tetsuro
c/o BIZEN CHEMICAL CO. LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
03 / FUJII, Jun
c/o BIZEN CHEMICAL CO. LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
04 / MISAWA, Yoshihisa
c/o BIZEN CHEMICAL CO. LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
05 / SHIMIZU, Yoshio
c/o BIZEN CHEMICAL CO. LTD.
363 Tokutomi
Akaiwa-shi Okayama 709-0716 / JP
Representative(s)Carridge, Andrew Edward
Reddie & Grose LLP The White Chapel Building
10 Whitechapel High Street
London E1 8QS / GB
[2018/15]
Application number, filing date16802801.730.05.2016
[2018/15]
WO2016JP02612
Priority number, dateJP2015011179801.06.2015         Original published format: JP 2015111798
[2018/15]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2016194359
Date:08.12.2016
Language:JA
[2016/49]
Type: A1 Application with search report 
No.:EP3305754
Date:11.04.2018
Language:EN
[2018/15]
Type: B1 Patent specification 
No.:EP3305754
Date:10.11.2021
Language:EN
[2021/45]
Search report(s)International search report - published on:JP08.12.2016
(Supplementary) European search report - dispatched on:EP28.01.2019
ClassificationIPC:C07C67/58, C07C67/62, C07C69/587, C11B3/02, C07C67/60, C07C51/487
[2019/09]
CPC:
C11B3/02 (EP,US); C07C67/58 (EP,KR,US); C07C51/47 (EP);
C07C51/48 (EP); C07C51/487 (EP,US); C07C67/60 (EP,US);
C07C67/62 (EP,KR,US); C07C69/587 (KR,US); C11B7/0083 (EP);
C11C1/005 (EP); Y02P20/54 (EP) (-)
C-Set:
C07C51/47, C07C57/03 (EP);
C07C51/47, C07C57/12 (EP);
C07C51/487, C07C57/03 (EP);
C07C51/487, C07C57/12 (EP);
C07C51/48, C07C57/03 (EP);
C07C51/48, C07C57/12 (EP);
C07C67/58, C07C69/587 (EP);
C07C67/60, C07C69/587 (EP);
C07C67/62, C07C69/587 (EP)
(-)
Former IPC [2018/15]C07C67/58, C07C67/62, C07C69/587, C11B3/02
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 [2018/15]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINER HOCH UNGESÄTTIGTEN FETTSÄURE MIT HOHEM REINHEITSGRAD BEI HOHER AUSBEUTE[2018/15]
English:PROCESS FOR PRODUCING HIGHLY UNSATURATED FATTY ACID OF HIGH PURITY IN HIGH YIELD[2018/15]
French:PROCÉDÉ DE PRODUCTION D'UN ACIDE GRAS FORTEMENT INSATURÉ DE PURETÉ ÉLEVÉE À UN RENDEMENT ÉLEVÉ[2018/15]
Entry into regional phase15.12.2017Translation filed 
15.12.2017National basic fee paid 
15.12.2017Search fee paid 
15.12.2017Designation fee(s) paid 
15.12.2017Examination fee paid 
Examination procedure15.12.2017Examination requested  [2018/15]
15.12.2017Date on which the examining division has become responsible
23.05.2019Amendment by applicant (claims and/or description)
30.03.2021Despatch of a communication from the examining division (Time limit: M04)
18.05.2021Reply to a communication from the examining division
01.07.2021Communication of intention to grant the patent
01.10.2021Fee for grant paid
01.10.2021Fee for publishing/printing paid
01.10.2021Receipt of the translation of the claim(s)
Opposition(s)11.08.2022No opposition filed within time limit [2022/42]
Fees paidRenewal fee
01.03.2018Renewal fee patent year 03
15.05.2019Renewal fee patent year 04
14.05.2020Renewal fee patent year 05
12.05.2021Renewal fee patent year 06
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  TooltipHU30.05.2016
AL10.11.2021
AT10.11.2021
CY10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
MK10.11.2021
MT10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
TR10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
[2024/42]
Former [2024/29]HU30.05.2016
AL10.11.2021
AT10.11.2021
CY10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
MK10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
TR10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2024/22]HU30.05.2016
AL10.11.2021
AT10.11.2021
CY10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
MK10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2024/20]HU30.05.2016
AL10.11.2021
AT10.11.2021
CY10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2024/18]HU30.05.2016
AL10.11.2021
AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/25]AL10.11.2021
AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
IT10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/09]AL10.11.2021
AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/08]AL10.11.2021
AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
LU30.05.2022
Former [2023/06]AL10.11.2021
AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
MC10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2023/01]AL10.11.2021
AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SI10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/49]AL10.11.2021
AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/35]AT10.11.2021
CZ10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SK10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/34]AT10.11.2021
EE10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RO10.11.2021
RS10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/33]AT10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RS10.11.2021
SM10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/24]AT10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
NL10.11.2021
PL10.11.2021
RS10.11.2021
BG10.02.2022
GR11.02.2022
IS10.03.2022
PT10.03.2022
Former [2022/23]AT10.11.2021
FI10.11.2021
HR10.11.2021
LT10.11.2021
LV10.11.2021
PL10.11.2021
RS10.11.2021
BG10.02.2022
PT10.03.2022
Former [2022/22]AT10.11.2021
FI10.11.2021
LT10.11.2021
RS10.11.2021
BG10.02.2022
Former [2022/21]AT10.11.2021
RS10.11.2021
BG10.02.2022
Former [2022/19]BG10.02.2022
Documents cited:Search[I]EP0576191  (SCOTIA HOLDINGS PLC [GB]) [I] 1-17 * page 4 lines 26-36 and 45-49;; figure 1; example 2 *;
 [A]  - MASAAKI TERAMOTO ET AL, "Extraction of ethyl and methyl esters of polyunsaturated fatty acids with aqueous silver nitrate solutions", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, (19940201), vol. 33, no. 2, doi:10.1021/ie00026a026, ISSN 0888-5885, pages 341 - 345, XP055544897 [A] 1-17 * the whole document *

DOI:   http://dx.doi.org/10.1021/ie00026a026
International search[X]JPH0649480  (SCOTIA HOLDINGS PLC) [X] 1-17 * , claim 1; paragraphs [0020] to [0024]; example 4; fig. 1 & CA 2098526 A claim 1; page 6, line 8 to page 8, line 12; example 4; figures & GB 9212788 D & EP 576191 A2 *;
 [A]JPH06248288  (NIPPON SUISAN KAISHA LTD) [A] 1-17* , claim 1; example 1; fig. 5 (Family: none) *;
 [A]JPH09143488  (NIPPON OILS & FATS CO LTD) [A] 1-17 * , claim 2; paragraph [0008]; examples (Family: none) *;
 [A]JP2010064974  (Q P CORP, et al) [A] 1-17 * , claim 1; example 1; table 1 & US 2011/0224452 A1 claim 1; example 1; table 1 & WO 2010/029706 A1 & EP 2330177 A1 *
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.