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Extract from the Register of European Patents

EP About this file: EP2675758

EP2675758 - AN IMPROVED ELECTROCHEMICAL COAGULATION PROCESS FOR THE REMOVAL OF NITRATE FROM DRINKING WATER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.11.2018
Database last updated on 25.09.2024
FormerThe patent has been granted
Status updated on  24.11.2017
FormerGrant of patent is intended
Status updated on  08.06.2017
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
Council of Scientific & Industrial Research
Anusandhan Bhawan Rafi Marg
New Delhi 110 001 / IN
For all designated states
Centre National de la Recherche Scientifique
3, rue Michel Ange
75794 Paris Cedex 16 / FR
For all designated states
Université de Poitiers
15 Rue de l'Hôtel Dieu
86034 Poitiers Cedex / FR
[N/P]
Former [2017/52]For all designated states
Council of Scientific & Industrial Research
Anusandhan Bhawan Rafi Marg
New Delhi 110 001 / IN
For all designated states
Centre National de la Recherche Scientifique
3, rue Michel Ange
75794 Paris Cedex 16 / FR
For all designated states
Université De Poitiers
15 Rue de l'Hôtel Dieu
86034 Poitiers Cedex / FR
Former [2013/52]For all designated states
Council of Scientific & Industrial Research
Anusandhan Bhawan Rafi Marg
New Delhi 110 001 / IN
For all designated states
Centre National de la Recherche Scientifique
3, rue Michel-Ange
75794 Paris Cedex 16 / FR
For all designated states
Université De Poitiers
15 Rue de l'Hôtel Dieu
86034 Poitiers Cedex / FR
Inventor(s)01 / SUBRAMANYAN, Vasudevan
Electroinorganic Chemicals Division CECRI
630 006 Karaikudi Tamil Nadu / IN
02 / EPRON, Florence
Université de Poitiers
Laboratoire de Catalyse en Chimie Organique
Batiment de Chimie
40 avenue du recteur Pineau
86022 Poitiers / FR
03 / SUBBIAH, Ravichandran
Electroinorganic Chemicals Division CECRI
630 006 Karaikudi Tamil Nadu / IN
04 / GANAPATHY, Sozhan
Electroinorganic Chemicals Division CECRI
630 006 Karaikudi Tamil Nadu / IN
05 / SWAMINATHAN, Mohan
Electroinorganic Chemicals Division CECRI
630 006 Karaikudi Tamil Nadu / IN
06 / JOTHINATHAN, Lakshmi
Electroinorganic Chemicals Division CECRI
630 006 Karaikudi Tamil Nadu / IN
 [2013/52]
Representative(s)Graf von Stosch, Andreas
Graf von Stosch
Patentanwaltsgesellschaft mbH
Prinzregentenstraße 22
80538 München / DE
[2017/52]
Former [2013/52]Kling, Simone
Lavoix Munich
Bayerstrasse 83
80335 München / DE
Application number, filing date11719641.031.03.2011
[2017/52]
WO2011IB00701
Priority number, dateIN2011DEL37214.02.2011         Original published format: IN 372DE2011
[2017/16]
Former [2013/52]IN2011DEL037214.02.2011
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2012110841
Date:23.08.2012
Language:EN
[2012/34]
Type: A1 Application with search report 
No.:EP2675758
Date:25.12.2013
Language:EN
The application published by WIPO in one of the EPO official languages on 23.08.2012 takes the place of the publication of the European patent application.
[2013/52]
Type: B1 Patent specification 
No.:EP2675758
Date:27.12.2017
Language:EN
[2017/52]
Search report(s)International search report - published on:EP23.08.2012
ClassificationIPC:C02F1/463, C02F1/461, C02F101/16
[2013/52]
CPC:
C02F1/463 (EP); C02F1/46109 (EP); C02F1/001 (EP);
C02F2001/46133 (EP); C02F2001/46152 (EP); C02F2101/163 (EP);
C02F2201/4614 (EP); C02F2201/46145 (EP); C02F2209/001 (EP);
C02F2209/003 (EP); C02F2209/02 (EP); C02F2209/06 (EP);
C02F9/00 (EP) (-)
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 [2013/52]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:VERBESSERTES ELEKTROCHEMISCHES KOAGULATIONSVERFAHREN ZUR ENTFERNUNG VON NITRAT AUS TRINKWASSER[2013/52]
English:AN IMPROVED ELECTROCHEMICAL COAGULATION PROCESS FOR THE REMOVAL OF NITRATE FROM DRINKING WATER[2013/52]
French:PROCÉDÉ DE COAGULATION ÉLECTROCHIMIQUE AMÉLIORÉ POUR L'ÉLIMINATION DES NITRATES DE L'EAU POTABLE[2013/52]
Entry into regional phase13.09.2013National basic fee paid 
13.09.2013Designation fee(s) paid 
13.09.2013Examination fee paid 
Examination procedure25.01.2012Request for preliminary examination filed
International Preliminary Examining Authority: EP
13.09.2013Examination requested  [2013/52]
01.04.2014Amendment by applicant (claims and/or description)
02.10.2014Despatch of a communication from the examining division (Time limit: M06)
01.04.2015Reply to a communication from the examining division
09.06.2017Communication of intention to grant the patent
13.10.2017Fee for grant paid
13.10.2017Fee for publishing/printing paid
13.10.2017Receipt 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  02.10.2014
Opposition(s)28.09.2018No opposition filed within time limit [2018/49]
Fees paidRenewal fee
13.09.2013Renewal fee patent year 03
21.03.2014Renewal fee patent year 04
24.03.2015Renewal fee patent year 05
25.03.2016Renewal fee patent year 06
28.03.2017Renewal 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  TooltipHU31.03.2011
AL27.12.2017
AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
MK27.12.2017
NL27.12.2017
PL27.12.2017
PT27.12.2017
RO27.12.2017
RS27.12.2017
SE27.12.2017
SI27.12.2017
SK27.12.2017
SM27.12.2017
TR27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
BE31.03.2018
CH31.03.2018
IE31.03.2018
LI31.03.2018
LU31.03.2018
IS27.04.2018
[2020/34]
Former [2020/31]HU31.03.2011
AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
MK27.12.2017
NL27.12.2017
PL27.12.2017
PT27.12.2017
RO27.12.2017
RS27.12.2017
SE27.12.2017
SI27.12.2017
SK27.12.2017
SM27.12.2017
TR27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
BE31.03.2018
CH31.03.2018
IE31.03.2018
LI31.03.2018
LU31.03.2018
IS27.04.2018
Former [2020/29]HU31.03.2011
AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
NL27.12.2017
PL27.12.2017
PT27.12.2017
RO27.12.2017
RS27.12.2017
SE27.12.2017
SI27.12.2017
SK27.12.2017
SM27.12.2017
TR27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
BE31.03.2018
CH31.03.2018
IE31.03.2018
LI31.03.2018
LU31.03.2018
IS27.04.2018
Former [2020/27]HU31.03.2011
AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
NL27.12.2017
PL27.12.2017
PT27.12.2017
RO27.12.2017
RS27.12.2017
SI27.12.2017
SK27.12.2017
SM27.12.2017
TR27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
BE31.03.2018
CH31.03.2018
IE31.03.2018
LI31.03.2018
LU31.03.2018
IS27.04.2018
Former [2020/16]AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
NL27.12.2017
PL27.12.2017
RO27.12.2017
RS27.12.2017
SI27.12.2017
SK27.12.2017
SM27.12.2017
TR27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
BE31.03.2018
CH31.03.2018
IE31.03.2018
LI31.03.2018
LU31.03.2018
IS27.04.2018
Former [2019/12]AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
NL27.12.2017
PL27.12.2017
RO27.12.2017
RS27.12.2017
SI27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
BE31.03.2018
CH31.03.2018
IE31.03.2018
LI31.03.2018
LU31.03.2018
IS27.04.2018
Former [2019/09]AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
NL27.12.2017
PL27.12.2017
RO27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
IE31.03.2018
LU31.03.2018
IS27.04.2018
Former [2019/04]AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
NL27.12.2017
PL27.12.2017
RO27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
LU31.03.2018
IS27.04.2018
Former [2018/52]AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
MC27.12.2017
NL27.12.2017
PL27.12.2017
RO27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
IS27.04.2018
Former [2018/51]AT27.12.2017
CY27.12.2017
CZ27.12.2017
DK27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
NL27.12.2017
PL27.12.2017
RO27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
IS27.04.2018
Former [2018/40]AT27.12.2017
CY27.12.2017
CZ27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
NL27.12.2017
PL27.12.2017
RO27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
IS27.04.2018
Former [2018/39]AT27.12.2017
CY27.12.2017
CZ27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
IT27.12.2017
LT27.12.2017
LV27.12.2017
NL27.12.2017
PL27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
IS27.04.2018
Former [2018/38]AT27.12.2017
CY27.12.2017
CZ27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
LT27.12.2017
LV27.12.2017
NL27.12.2017
PL27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
IS27.04.2018
Former [2018/37]CY27.12.2017
CZ27.12.2017
EE27.12.2017
FI27.12.2017
HR27.12.2017
LT27.12.2017
LV27.12.2017
NL27.12.2017
PL27.12.2017
RS27.12.2017
SK27.12.2017
SM27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
Former [2018/34]FI27.12.2017
HR27.12.2017
LT27.12.2017
LV27.12.2017
NL27.12.2017
RS27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
Former [2018/25]FI27.12.2017
HR27.12.2017
LT27.12.2017
LV27.12.2017
RS27.12.2017
BG27.03.2018
NO27.03.2018
GR28.03.2018
Former [2018/23]FI27.12.2017
HR27.12.2017
LT27.12.2017
RS27.12.2017
NO27.03.2018
GR28.03.2018
Former [2018/22]FI27.12.2017
LT27.12.2017
NO27.03.2018
Cited inInternational search[X]EP1995221  (SIMA 11 S L [ES]) [X] 1,4,6 * paragraphs [0001] , [0051] , [0052] , [0054]; example 5; claims 1,8,13,14 *;
 [X]US2010051542  (ELEKTOROWICZ MARIA [CA], et al) [X] 1,4 * paragraphs [0003] , [0174] - [0179] - [0189] , [0262]; figure 5 *;
 [X]WO2010115904  (ENVITECH S R L SA [IT], et al) [X] 1,4 * examples 3,6 *;
 [X]CN2504260Y  (FAN GUOFANG [CN]) [X] 1 * abstract *
 [XI]  - KUMAR N S ET AL, "Factors influencing arsenic and nitrate removal from drinking water in a continuous flow electrocoagulation (EC) process", JOURNAL OF HAZARDOUS MATERIALS, ELSEVIER, AMSTERDAM, NL, vol. 173, no. 1-3, doi:10.1016/J.JHAZMAT.2009.08.117, ISSN 0304-3894, (20100115), pages 528 - 533, (20090902), XP026782494 [X] 1,3,4,6 * page 528, column 1 * * page 529; figure 1 * * page 530, column 1, paragraph 2.1.1; table 1 * * page 530, column 2, paragraph 3.1.1 * * page 532, column 2, paragraph 4 * [I] 2,5,7-11

DOI:   http://dx.doi.org/10.1016/j.jhazmat.2009.08.117
 [X]  - FAN GUOFANG, "Water purifier", EPODOC, EUROPEAN PATENT OFFICE, THE HAGUE, NL, (20020807), Database accession no. CN-01264802-U, XP002660365 [X] 1 * abstract *
by applicantUS4956057
 US5614078
 US5935392
 US5376240
 US5306400
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.