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

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
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: EP2341033

EP2341033 - Agent and method for quick suppression of anaerobic bacteria in wastewater [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.02.2017
Database last updated on 28.03.2026
Most recent event   Tooltip12.10.2018Lapse of the patent in a contracting state
New state(s): AL		published on 14.11.2018  [2018/46]
Applicant(s)For all designated states
YARA International ASA
P.O. Box 2464 Solli
0202 Oslo / NO
[2011/27]
Inventor(s)01 / Wasow, Günther
Karl-Marx-Allee 133
D-10543 Berlin / DE
02 / Ettl, Marina
Schöttroy 13
DE-46519 Alpen-Veen / DE
 [2016/14]
Former [2011/27]01 / Wasow, Günther
Karl-Marx-Allee 133
D-10543 Berlin / DE
02 / Ettl, Marina
Schöttroy 13
DE-46519 Alpen-Veen / DE
Representative(s)Acapo Onsagers AS
P.O. Box 1813 Vika
0123 Oslo / NO
[N/P]
Former [2016/14]Onsagers AS
Munkedamsveien 35
P.O. Box 1813 Vika
0123 Oslo / NO
Former [2011/27]Onsagers AS
Universitetsgaten 7 P.O. Box 6963 St. Olavs plass
0130 Oslo / NO
Application number, filing date10197129.928.12.2010
[2011/27]
Priority number, dateDE2009105538129.12.2009         Original published format: DE102009055381
[2011/27]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP2341033
Date:06.07.2011
Language:EN
[2011/27]
Type: A3 Search report 
No.:EP2341033
Date:04.01.2012
Language:EN
[2012/01]
Type: B1 Patent specification 
No.:EP2341033
Date:06.04.2016
Language:EN
[2016/14]
Search report(s)(Supplementary) European search report - dispatched on:EP05.12.2011
ClassificationIPC:C02F1/50, C02F3/34, // C02F3/30, C02F101/10
[2012/01]
CPC:
C02F1/50 (EP); C02F3/006 (EP); C02F3/345 (EP);
C02F2101/101 (EP); C02F3/302 (EP); Y02W10/10 (EP)
Former IPC [2011/27]C02F1/50, C02F3/00, // C02F3/30, C02F101/10
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 [2016/14]
Former [2011/27]AL,  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 
TitleGerman:Wirkstoff und Verfahren zur schnellen Unterdrückung anaerober Bakterien in Abwasser[2011/27]
English:Agent and method for quick suppression of anaerobic bacteria in wastewater[2011/27]
French:Agent et procédé de suppression rapide de bactéries anaérobiques dans les eaux usées[2011/27]
Examination procedure04.07.2012Examination requested  [2012/33]
16.08.2012Despatch of communication that the application is deemed to be withdrawn, reason: reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report not received in time
09.10.2012Amendment by applicant (claims and/or description)
12.12.2014Despatch of a communication from the examining division (Time limit: M06)
11.06.2015Reply to a communication from the examining division
15.10.2015Communication of intention to grant the patent
11.02.2016Fee for grant paid
11.02.2016Fee for publishing/printing paid
11.02.2016Receipt 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  12.12.2014
Opposition(s)10.01.2017No opposition filed within time limit [2017/11]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report/Supplementary European search report
09.10.2012Request for further processing filed
09.10.2012Full payment received (date of receipt of payment)
Request granted
22.10.2012Decision despatched
Fees paidRenewal fee
19.12.2012Renewal fee patent year 03
27.12.2013Renewal fee patent year 04
22.12.2014Renewal fee patent year 05
22.12.2015Renewal 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  TooltipAL06.04.2016
BG06.04.2016
CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
MC06.04.2016
MK06.04.2016
RO06.04.2016
RS06.04.2016
SI06.04.2016
SK06.04.2016
SM06.04.2016
TR06.04.2016
GR07.07.2016
IS06.08.2016
IE28.12.2016
LU28.12.2016
MT28.12.2016
[2018/46]
Former [2018/43]BG06.04.2016
CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
MC06.04.2016
MK06.04.2016
RO06.04.2016
RS06.04.2016
SI06.04.2016
SK06.04.2016
SM06.04.2016
TR06.04.2016
GR07.07.2016
IS06.08.2016
IE28.12.2016
LU28.12.2016
MT28.12.2016
Former [2018/38]BG06.04.2016
CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
MC06.04.2016
MK06.04.2016
RO06.04.2016
RS06.04.2016
SI06.04.2016
SK06.04.2016
SM06.04.2016
TR06.04.2016
GR07.07.2016
IS06.08.2016
IE28.12.2016
LU28.12.2016
Former [2018/30]CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
MC06.04.2016
MK06.04.2016
RO06.04.2016
RS06.04.2016
SI06.04.2016
SK06.04.2016
SM06.04.2016
TR06.04.2016
GR07.07.2016
IS06.08.2016
IE28.12.2016
LU28.12.2016
Former [2017/49]CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
MC06.04.2016
RO06.04.2016
RS06.04.2016
SI06.04.2016
SK06.04.2016
SM06.04.2016
GR07.07.2016
IS06.08.2016
IE28.12.2016
LU28.12.2016
Former [2017/47]CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
MC06.04.2016
RO06.04.2016
RS06.04.2016
SI06.04.2016
SK06.04.2016
SM06.04.2016
GR07.07.2016
IS06.08.2016
Former [2017/37]CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
RO06.04.2016
RS06.04.2016
SI06.04.2016
SK06.04.2016
SM06.04.2016
GR07.07.2016
IS06.08.2016
Former [2017/11]CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
RO06.04.2016
RS06.04.2016
SK06.04.2016
SM06.04.2016
GR07.07.2016
IS06.08.2016
Former [2017/10]CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
RO06.04.2016
RS06.04.2016
SK06.04.2016
GR07.07.2016
IS06.08.2016
Former [2017/09]CZ06.04.2016
EE06.04.2016
FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
RO06.04.2016
RS06.04.2016
GR07.07.2016
IS06.08.2016
Former [2016/51]FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
RS06.04.2016
GR07.07.2016
IS06.08.2016
Former [2016/50]FI06.04.2016
HR06.04.2016
LT06.04.2016
LV06.04.2016
RS06.04.2016
IS06.08.2016
Former [2016/49]FI06.04.2016
LT06.04.2016
IS06.08.2016
Former [2016/48]LT06.04.2016
IS06.08.2016
Former [2016/46]LT06.04.2016
Documents cited:Search[XI] AU2006203567  (SULFIDE CONTROL PTY LTD et al.)
 [X] US5750392  (HITZMAN DONALD O et al.)
 [X] JP2004049940  (EBARA CORP et al.)
 [I] JPH1085785  (KURITA WATER IND LTD et al.)
 [I] JP2003290793  (ORGANO KK et al.)
 [I] WO2009011920  (LCP TECH HOLDINGS LLC et al.)
by applicantUS5405531
 US4681687
 WO9851625
 US5558772
 JPH1085785
 WO2008090231
 US4505819
 US7326340
 US7285207
 DE3917451
   ALLISON; MACFARLANE: "Effect of nitrate on methane production and fermentation by slurries of human faecal bacteria", J. GEN. MICROBIOL., vol. 134, 1998, pages 1397 - 1405
   KLIIBER; CONRAD: "Inhibitory effects of nitrate, nitrite, NO and N20 on methanogenesis by Methanosarcina barkeri and Methanobacterium bryantii", FEMS MICROBIOLOGY ECOLOGY, vol. 25, 1998, pages 331 - 339
   MOHANAKRISHNAN ET AL.: "Nitrate effectively inhibits sulfide and methane production in a laboratory scale sewer reactor", WATER RESEARCH, vol. 42, 2008, pages 3961 - 3971
   SOIL BIODOGY AND BIOCHEMISTRY, vol. 5, no. 5, pages 673 - 678
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.