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Extract from the Register of European Patents

EP About this file: EP2004545

EP2004545 - PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.09.2019
Database last updated on 25.09.2024
FormerThe patent has been granted
Status updated on  19.10.2018
FormerGrant of patent is intended
Status updated on  03.07.2018
FormerExamination is in progress
Status updated on  30.03.2018
Most recent event   Tooltip09.07.2021Lapse of the patent in a contracting state
New state(s): HU
published on 11.08.2021  [2021/32]
Applicant(s)For all designated states
Akzo Nobel N.V.
Postbus 9300, Velperweg 76/6824 BM
6800 SB Arnhem / NL
For:SE 
Akzo Nobel Pulp and Performance Chemicals AB
445 80 Bohus / SE
[2018/47]
Former [2013/52]For all designated states
Akzo Nobel N.V.
Postbus 9300, Velperweg 76/6824 BM
6800 SB Arnhem / NL
For:SE 
Akzo Nobel Pulp and Performance Chemicals AB
445 80 Bohus / SE
Former [2008/52]For all designated states
Akzo Nobel N.V.
Postbus 9300, Velperweg 76/6824 BM
6800 SB Arnhem / NL
For:SE 
EKA Chemicals AB
(no Street Address)
445 80 Bohus / SE
Inventor(s)01 / WOODRUFF, Thomas, E.
1205 Trey Ct.
Marietta, Georgia 30064 / US
02 / CHARLES, Gary, A.
4096 Tritt Homestead Drive
Marietta, Georgia 30062 / US
03 / OLSON, Daniel, D.
1032 Fairway Valley Drive
Woodstock, Georgia 30189 / US
 [2008/52]
Representative(s)HGF
Delta House
50 West Nile Street
Glasgow G1 2NP / GB
[N/P]
Former [2018/47]HGF Limited
Delta House
50 West Nile Street
Glasgow G1 2NP / GB
Former [2014/10]Chalk, Anthony John
Harrison Goddard Foote LLP
Saviour House
9 St Saviourgate
York YO1 8NQ / GB
Former [2013/15]Akzo Nobel IP Department
Velperweg 76
6824 BM Arnhem / NL
Former [2008/52]Schalkwijk, Pieter Cornelis, et al
Akzo Nobel N.V. Intellectual Property Department P.O. Box 9300
6800 SB Arnhem / NL
Application number, filing date07716099.206.03.2007
[2008/52]
WO2007SE50125
Priority number, dateUS20060790523P10.04.2006         Original published format: US 790523 P
EP2006011567019.06.2006         Original published format: EP 06115670
[2008/52]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2007117205
Date:18.10.2007
Language:EN
[2007/42]
Type: A1 Application with search report 
No.:EP2004545
Date:24.12.2008
Language:EN
The application published by WIPO in one of the EPO official languages on 18.10.2007 takes the place of the publication of the European patent application.
[2008/52]
Type: B1 Patent specification 
No.:EP2004545
Date:21.11.2018
Language:EN
[2018/47]
Search report(s)International search report - published on:EP18.10.2007
ClassificationIPC:C01B11/02
[2008/52]
CPC:
C01B11/026 (EP)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MT,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2018/47]
Former [2008/52]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  MT,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
Extension statesALNot yet paid
BANot yet paid
HRNot yet paid
MKNot yet paid
RSNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON CHLORDIOXID[2008/52]
English:PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE[2008/52]
French:PROCÉDÉ DE PRODUCTION DE BIOXYDE DE CHLORE[2018/29]
Former [2008/52]PROCEDE DE FABRICATION DE DIOXYDE DE CHLORE
Entry into regional phase13.08.2008National basic fee paid 
13.08.2008Designation fee(s) paid 
13.08.2008Examination fee paid 
Examination procedure24.10.2007Request for preliminary examination filed
International Preliminary Examining Authority: SE
13.08.2008Examination requested  [2008/52]
30.03.2016Despatch of a communication from the examining division (Time limit: M04)
25.07.2016Reply to a communication from the examining division
20.03.2018Despatch of a communication from the examining division (Time limit: M04)
31.05.2018Reply to a communication from the examining division
04.07.2018Communication of intention to grant the patent
09.10.2018Fee for grant paid
09.10.2018Fee for publishing/printing paid
09.10.2018Receipt 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  30.03.2016
Opposition(s)22.08.2019No opposition filed within time limit [2019/44]
Fees paidRenewal fee
26.03.2009Renewal fee patent year 03
25.03.2010Renewal fee patent year 04
29.03.2011Renewal fee patent year 05
26.03.2012Renewal fee patent year 06
27.03.2013Renewal fee patent year 07
25.03.2014Renewal fee patent year 08
10.03.2015Renewal fee patent year 09
10.03.2016Renewal fee patent year 10
10.03.2017Renewal fee patent year 11
13.03.2018Renewal fee patent year 12
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  TooltipHU06.03.2007
AT21.11.2018
CY21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
TR21.11.2018
BG21.02.2019
GR22.02.2019
IE06.03.2019
LU06.03.2019
MT06.03.2019
IS21.03.2019
PT21.03.2019
BE31.03.2019
CH31.03.2019
LI31.03.2019
[2021/32]
Former [2021/26]AT21.11.2018
CY21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
TR21.11.2018
BG21.02.2019
GR22.02.2019
IE06.03.2019
LU06.03.2019
MT06.03.2019
IS21.03.2019
PT21.03.2019
BE31.03.2019
CH31.03.2019
LI31.03.2019
Former [2020/29]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
TR21.11.2018
BG21.02.2019
GR22.02.2019
IE06.03.2019
LU06.03.2019
MT06.03.2019
IS21.03.2019
PT21.03.2019
BE31.03.2019
CH31.03.2019
LI31.03.2019
Former [2020/17]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
TR21.11.2018
BG21.02.2019
GR22.02.2019
IE06.03.2019
LU06.03.2019
IS21.03.2019
PT21.03.2019
BE31.03.2019
CH31.03.2019
LI31.03.2019
Former [2020/11]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
BG21.02.2019
GR22.02.2019
IE06.03.2019
LU06.03.2019
IS21.03.2019
PT21.03.2019
BE31.03.2019
CH31.03.2019
LI31.03.2019
Former [2020/09]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
BG21.02.2019
GR22.02.2019
IE06.03.2019
LU06.03.2019
IS21.03.2019
PT21.03.2019
Former [2020/01]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
BG21.02.2019
GR22.02.2019
LU06.03.2019
IS21.03.2019
PT21.03.2019
Former [2019/50]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SI21.11.2018
SK21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
PT21.03.2019
Former [2019/46]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
MC21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SK21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
PT21.03.2019
Former [2019/40]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
SK21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
PT21.03.2019
Former [2019/37]AT21.11.2018
CZ21.11.2018
DK21.11.2018
EE21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
NL21.11.2018
PL21.11.2018
RO21.11.2018
SE21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
PT21.03.2019
Former [2019/35]AT21.11.2018
CZ21.11.2018
DK21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
NL21.11.2018
PL21.11.2018
SE21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
PT21.03.2019
Former [2019/34]AT21.11.2018
DK21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
NL21.11.2018
SE21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
PT21.03.2019
Former [2019/26]AT21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
NL21.11.2018
SE21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
PT21.03.2019
Former [2019/24]AT21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
NL21.11.2018
SE21.11.2018
BG21.02.2019
GR22.02.2019
IS21.03.2019
Former [2019/23]AT21.11.2018
FI21.11.2018
LT21.11.2018
LV21.11.2018
NL21.11.2018
BG21.02.2019
IS21.03.2019
Former [2019/22]FI21.11.2018
LT21.11.2018
BG21.02.2019
IS21.03.2019
Former [2019/21]FI21.11.2018
LT21.11.2018
IS21.03.2019
Former [2019/20]LT21.11.2018
Cited inInternational search[X]US2344346  (HARRY EVANS CYRIL) [X] 13 * page 1, column L, line 24 - line 34 * * page 2, column L, line 19 - line 65 * * figure . *;
 [X]US2833624  (SPRAUER JEROME W) [X] 1-16 * column 1, line 50 - line 52 * * column 2, line 17 - line 30 * * column 3, line 14 - line 18 * * column 3, line 59 - line 69 *;
 [A]US4393035  (FREDETTE MAURICE C J [CA]) [A] 1-16 * column 5, line 41 - line 60 * * column 7, line 3 - line 11 ** figure 1 *;
 [X]EP0850875  (ATOCHEM ELF SA [FR]) [X] 1,4,5,7,8,11,12 * page 2, line 3 - line 4 * * page 4, line 14 - line 15 * * page 5, line 52 - line 55 * * page 6, line 24 * * page 6, line 53 - page 7, line 5 * * figure . *;
 [DA]US2003031621  (GRAVITT ALAN [US], et al) [DA] 1-16 * paragraph [0025] * * paragraph [0033] - paragraph [0035] * * figure 2 *
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.