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Extract from the Register of European Patents

EP About this file: EP0530226

EP0530226 - METHOD FOR REMOVING NITROGEN FROM AN AQUEOUS SOLUTION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  26.08.1995
Database last updated on 28.09.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting state
Updated state(s): FR
published on 09.01.2008  [2008/02]
Applicant(s)For all designated states
AKVA GAD A/S
Agenavej 31-33
DK-2670 Greve Strand / DK
For all designated states
Jörgensen, S.E., Prof.
Langkaer Vaenge 9
DK-3500 Vaerlöse / DK
For all designated states
Halling-Sorensen, Bent
Amager Faelledvej 9, 5th.
DK-2300 Kobenhavn / DK
For all designated states
Hjuler, Henning
Avej 6
DK-2990 Nivá / DK
[1993/43]
Former [1993/10]For all designated states
AKVA GAD A/S
Agenavej 31-33
DK-2670 Greve Strand / DK
For all designated states
Jörgensen, S.E., Prof.
Langkaer Vaenge 9
DK-3500 Vaerlöse / DK
Inventor(s)01 / JORGENSEN, Svend, Erik
Langkaer Vaenge 9
DK-3500 V rlose / DK
02 / POULSEN, Karsten
Dronningholmsvej 8
DK-9600 Aars / DK
03 / HJULER, Henning
Prss. Charlottesgade 57
DK-2200 Kobenhavn N / DK
04 / HALLING-SORENSEN, Bent
Amager FAELLEDVEJ 9, 5 th.
DK-2300 Kobenhavn S / DK
[1993/10]
Representative(s)Holtzer, Merete Byrch, et al
Zacco Denmark A/S Hans Bekkevolds Allé 7
2900 Hellerup / DK
[N/P]
Former [1993/10]Holtzer, Merete Byrch, et al
c/o Lehmann & Ree A/S Grundtvigsvej 37
DK-1864 Frederiksberg C / DK
Application number, filing date91908994.625.04.1991
[1993/10]
WO1991DK00111
Priority number, dateDK1990000112507.05.1990         Original published format: DK 112590
[1993/10]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9117123
Date:14.11.1991
Language:EN
[1991/26]
Type: A1 Application with search report 
No.:EP0530226
Date:10.03.1993
Language:EN
The application published by WIPO in one of the EPO official languages on 14.11.1991 takes the place of the publication of the European patent application.
[1993/10]
Type: B1 Patent specification 
No.:EP0530226
Date:26.10.1994
Language:EN
[1994/43]
Search report(s)International search report - published on:SE14.11.1991
ClassificationIPC:C02F3/30
[1993/10]
CPC:
C02F3/34 (EP,US); C02F3/06 (EP,US); C02F3/10 (EP,US);
C02F3/2806 (EP,US); C02F3/302 (EP,US); Y02W10/10 (EP,US);
Y10S210/903 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1993/10]
TitleGerman:VERFAHREN ZUM ENTFERNEN VON STICKSTOFF AUS EINER WÄSSRIGEN LÖSUNG[1993/10]
English:METHOD FOR REMOVING NITROGEN FROM AN AQUEOUS SOLUTION[1993/10]
French:PROCEDE DE SUPPRESSION DE L'AZOTE D'UNE SOLUTION AQUEUSE[1993/10]
Entry into regional phase09.12.1992National basic fee paid 
09.12.1992Designation fee(s) paid 
09.12.1992Examination fee paid 
Examination procedure06.12.1991Request for preliminary examination filed
International Preliminary Examining Authority: DE
09.12.1992Examination requested  [1993/10]
27.12.1993Despatch of communication of intention to grant (Approval: Yes)
02.05.1994Communication of intention to grant the patent
28.07.1994Fee for grant paid
28.07.1994Fee for publishing/printing paid
Opposition(s)27.07.1995No opposition filed within time limit [1995/42]
Fees paidRenewal fee
24.04.1993Renewal fee patent year 03
28.04.1994Renewal fee patent year 04
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Patent Court
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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  TooltipAT26.10.1994
BE26.10.1994
ES26.10.1994
FR26.10.1994
GR26.10.1994
IT26.10.1994
NL26.10.1994
SE26.01.1995
LU30.04.1995
[2006/14]
Former [2002/25]AT26.10.1994
BE26.10.1994
ES26.10.1994
GR26.10.1994
IT26.10.1994
NL26.10.1994
SE26.01.1995
FR24.03.1995
LU30.04.1995
Former [2000/05]AT26.10.1994
BE26.10.1994
GR26.10.1994
IT26.10.1994
NL26.10.1994
SE26.01.1995
FR24.03.1995
LU30.04.1995
Former [1999/42]AT26.10.1994
BE26.10.1994
IT26.10.1994
NL26.10.1994
SE26.01.1995
FR24.03.1995
Former [1995/36]AT26.10.1994
BE26.10.1994
NL26.10.1994
SE26.01.1995
FR24.03.1995
Former [1995/35]AT26.10.1994
BE26.10.1994
NL26.10.1994
SE26.01.1995
Former [1995/30]AT26.10.1994
BE26.10.1994
SE26.01.1995
Former [1995/29]AT26.10.1994
SE26.01.1995
Cited inInternational search[Y]GB1584373  (BESIK F);
 [Y]US4370234  (MARSLAND WILLIAM P [US]);
 [A]EP0173340  (INT MINERALS & CHEM CORP [US]);
 [Y]DE3639153  (SCHOTT GLASWERKE [DE]);
 [A]DE3724027  (BOCK EBERHARD [DE]);
 [A]DE3810564  (KERNFORSCHUNGSANLAGE JUELICH [DE])
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.