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Extract from the Register of European Patents

EP About this file: EP3337594

EP3337594 - METHOD AND SYSTEM FOR APPLYING SUPERIMPOSED TIME-VARYING FREQUENCY ELECTROMAGNETIC WAVE FOR REMOVAL OF SOX, CO2 AND NOX FROM FLUE GASES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  31.12.2021
Database last updated on 24.08.2024
FormerThe patent has been granted
Status updated on  22.01.2021
FormerGrant of patent is intended
Status updated on  29.11.2020
FormerRequest for examination was made
Status updated on  23.10.2020
FormerGrant of patent is intended
Status updated on  20.10.2020
FormerRequest for examination was made
Status updated on  28.09.2020
FormerGrant of patent is intended
Status updated on  21.07.2020
FormerRequest for examination was made
Status updated on  25.05.2018
FormerThe international publication has been made
Status updated on  03.02.2017
Most recent event   Tooltip27.04.2024Lapse of the patent in a contracting state
New state(s): MK		published on 29.05.2024  [2024/22]
Applicant(s)For all designated states
SEMB-ECO R&D PTE LTD
Admiralty Road West
Singapore 759956 / SG
[2021/08]
Former [2018/26]For all designated states
SEMB-ECO R&D PTE LTD
Admiralty Road West
Singapore 759956 / SG
Inventor(s)01 / CHEW, Hwee Hong
c/o SEMB-ECO R&D PTE LTD.
Admiralty Road West
Singapore 759956 / SG
02 / ONG, Poh Kwee
c/o SEMB-ECO R&D PTE LTD.
Admiralty Road West
Singapore 759956 / SG
 [2021/08]
Former [2018/26]01 / CHEW, Hwee Hong
c/o SEMB-ECO R&D PTE LTD.
Admiralty Road West
Singapore 759956 / SG
02 / ONG, Poh Kwee
c/o SEMB-ECO R&D PTE LTD.
Admiralty Road West
Singapore 759956 / SG
Representative(s)Håmsø Patentbyrå AS
P.O. Box 171
4301 Sandnes / NO
[2021/08]
Former [2018/26]Potter Clarkson LLP
The Belgrave Centre
Talbot Street
Nottingham NG1 5GG / GB
Application number, filing date16830941.729.07.2016
[2018/26]
WO2016SG50365
Priority number, dateWO2015SG5023929.07.2015         Original published format: PCT/SG2015/050239
[2018/26]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2017018947
Date:02.02.2017
Language:EN
[2017/05]
Type: A1 Application with search report 
No.:EP3337594
Date:27.06.2018
Language:EN
The application published by WIPO in one of the EPO official languages on 02.02.2017 takes the place of the publication of the European patent application.
[2018/26]
Type: B1 Patent specification 
No.:EP3337594
Date:24.02.2021
Language:EN
[2021/08]
Search report(s)International search report - published on:KR02.02.2017
(Supplementary) European search report - dispatched on:EP20.03.2019
ClassificationIPC:B01D53/32, B01D53/60, B01D53/62, B01D53/50, C02F1/48, C25D11/34, B01J19/12, B01D53/78, C23F13/04, C02F103/08, C02F103/18
[2020/23]
CPC:
B01D53/323 (EP); B63J4/002 (KR); C02F1/4602 (US);
B01D53/504 (EP); B01D53/60 (EP); B01D53/78 (EP);
B63B13/00 (KR); C02F1/004 (US); C02F1/32 (US);
C02F1/46104 (US); C02F1/48 (KR); C02F1/484 (EP,US);
C02F1/487 (EP,KR,US); C02F5/00 (US); C23F13/04 (EP,US);
C23F13/06 (US); C25D11/005 (US); C25D11/022 (US);
C25D11/34 (US); C25D11/38 (US); B01D2252/103 (EP);
B01D2257/302 (EP); B01D2257/404 (EP); B01D2257/504 (EP);
B01D2258/0283 (EP); C02F2103/007 (US); C02F2103/008 (KR,US);
C02F2103/08 (EP,US); C02F2103/18 (EP,US); C02F2201/46125 (US);
C02F2201/4614 (EP,US); C02F2201/46175 (EP,US); C02F2201/483 (EP,US);
C02F2303/04 (US); C02F2303/08 (US); C02F2303/20 (US);
C23F2213/32 (EP,US); Y02A20/144 (EP); Y02A50/20 (EP) (-)
Former IPC [2019/16]B01D53/32, B01D53/60, B01D53/62, B01D53/50, C02F1/48, C25D11/34, B01J19/12
Former IPC [2018/26]B01D53/32, B01D53/60, B01D53/62
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 [2018/26]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN UND SYSTEM ZUR ANWENDUNG ÜBERLAGERTER ELEKTROMAGNETISCHER WELLEN MIT ZEITVARIABLER FREQUENZ ZUR ENTFERNUNG VON SOX, CO2 UND NOX AUS RAUCHGASEN[2018/26]
English:METHOD AND SYSTEM FOR APPLYING SUPERIMPOSED TIME-VARYING FREQUENCY ELECTROMAGNETIC WAVE FOR REMOVAL OF SOX, CO2 AND NOX FROM FLUE GASES[2018/26]
French:PROCÉDÉ ET SYSTÈME POUR APPLIQUER UNE ONDE ÉLECTROMAGNÉTIQUE SUPERPOSÉE À FRÉQUENCE VARIANT DANS LE TEMPS POUR ÉLIMINER DU SOX, CO2 ET NOX DE GAZ DE FUMÉE[2018/26]
Entry into regional phase27.02.2018National basic fee paid 
27.02.2018Search fee paid 
27.02.2018Designation fee(s) paid 
27.02.2018Examination fee paid 
Examination procedure26.05.2017Request for preliminary examination filed
International Preliminary Examining Authority: KR
27.02.2018Examination requested  [2018/26]
27.02.2018Date on which the examining division has become responsible
17.09.2019Amendment by applicant (claims and/or description)
22.07.2020Communication of intention to grant the patent
24.09.2020Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
21.10.2020Communication of intention to grant the patent
23.10.2020Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
30.11.2020Communication of intention to grant the patent
18.01.2021Fee for grant paid
18.01.2021Fee for publishing/printing paid
18.01.2021Receipt of the translation of the claim(s)
Opposition(s)25.11.2021No opposition filed within time limit [2022/05]
Fees paidRenewal fee
27.07.2018Renewal fee patent year 03
28.05.2019Renewal fee patent year 04
18.07.2020Renewal fee patent year 05
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  TooltipHU29.07.2016
AL24.02.2021
AT24.02.2021
CY24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
IT24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
MK24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
GB29.07.2021
IE29.07.2021
LU29.07.2021
BE31.07.2021
CH31.07.2021
LI31.07.2021
[2024/22]
Former [2023/30]HU29.07.2016
AL24.02.2021
AT24.02.2021
CY24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
IT24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
GB29.07.2021
IE29.07.2021
LU29.07.2021
BE31.07.2021
CH31.07.2021
LI31.07.2021
Former [2023/28]HU29.07.2016
AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
IT24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
GB29.07.2021
IE29.07.2021
LU29.07.2021
BE31.07.2021
CH31.07.2021
LI31.07.2021
Former [2022/35]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
IT24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
GB29.07.2021
IE29.07.2021
LU29.07.2021
BE31.07.2021
CH31.07.2021
LI31.07.2021
Former [2022/34]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
IT24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
GB29.07.2021
LU29.07.2021
BE31.07.2021
CH31.07.2021
LI31.07.2021
Former [2022/23]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
IT24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
GB29.07.2021
LU29.07.2021
CH31.07.2021
LI31.07.2021
Former [2022/22]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
PT24.06.2021
GB29.07.2021
CH31.07.2021
LI31.07.2021
Former [2022/21]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
PT24.06.2021
CH31.07.2021
LI31.07.2021
Former [2022/18]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
MC24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
PT24.06.2021
Former [2022/13]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SI24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
PT24.06.2021
Former [2022/10]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
PT24.06.2021
Former [2022/08]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
ES24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
Former [2022/07]AL24.02.2021
AT24.02.2021
CZ24.02.2021
EE24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
Former [2021/50]AT24.02.2021
CZ24.02.2021
EE24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RO24.02.2021
RS24.02.2021
SE24.02.2021
SK24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
Former [2021/48]AT24.02.2021
CZ24.02.2021
EE24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RS24.02.2021
SE24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
Former [2021/46]AT24.02.2021
FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RS24.02.2021
SE24.02.2021
SM24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
Former [2021/42]FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RS24.02.2021
SE24.02.2021
BG24.05.2021
IS24.06.2021
PT24.06.2021
Former [2021/39]FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
PL24.02.2021
RS24.02.2021
SE24.02.2021
BG24.05.2021
PT24.06.2021
Former [2021/38]FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
RS24.02.2021
SE24.02.2021
BG24.05.2021
PT24.06.2021
Former [2021/37]FI24.02.2021
HR24.02.2021
LT24.02.2021
LV24.02.2021
RS24.02.2021
BG24.05.2021
PT24.06.2021
Former [2021/36]FI24.02.2021
HR24.02.2021
LT24.02.2021
BG24.05.2021
PT24.06.2021
Former [2021/35]FI24.02.2021
HR24.02.2021
LT24.02.2021
PT24.06.2021
Former [2021/33]FI24.02.2021
LT24.02.2021
PT24.06.2021
Documents cited:Search[A]ES2008549  (GRUENBECK JOSEF WASSERAUFB [DE]) [A] 1,8,11,13,14 * column 1, line 1 - column 2, line 38; figures 1-4; claims 1-3, 10 *;
 [A]US4905470  (REICHLE ERNST-MICHAEL [DE], et al) [A] 11-15* column 3, line 31 - column 4, line 35; figure 2 *;
 [XI]WO2011147085  (ECOSPEC GLOBAL TECHNOLOGY PTE LTD [CN], et al) [X] 1-3,5,7,11,12,15 * page 3, line 31 - page 5, line 20; figures 1-4; claims 1-37 * * page 13, line 6 - page 15, line 33 * [I] 4,6,8-10,13,14
International search[A]US2003175194  (PAHLMAN JOHN E [US], et al) [A] 1-5, 19-21 * See abstract; figures 1-5; and claims 1-5. *;
 [A]US2005063879  (TSUJI KIMITOSHI [JP]) [A] 1-5, 19-21 * See abstract; figures 1-7; and claims 1-8. *;
 [A]US2007284242  (MOISAN MICHEL [CA], et al) [A] 1-5, 19-21* See abstract; and claims 31-36. *;
 [A]US2011300046  (SCHODEL NICOLE [DE], et al) [A] 1-5, 19-21 * See abstract; figures 1-2; and claims 1-11. *;
 [A]US2012121489  (CHEW HWEE HONG [HK]) [A] 1-5, 19-21 * See abstract; figure 1; and claims 30-49. *
by applicantWO2010139114
 WO2011147085
    - SUKHEON ANOSAMI NISHIDA, JSME International Journal Series B, (20030000), vol. 46, pages 206 - 213
 WO2006SG00218
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.