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Extract from the Register of European Patents

EP About this file: EP0666834

EP0666834 - METHODS FOR GENERATING RESIDUAL DISINFECTANTS DURING THE OZONIZATION OF WATER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  29.01.1999
Database last updated on 19.10.2024
Most recent event   Tooltip28.12.2007Lapse of the patent in a contracting state
Updated state(s): FR		published on 30.01.2008  [2008/05]
Applicant(s)For all designated states
GREAT LAKES CHEMICAL CORPORATION
Highway 52 Northwest P.O. Box 2200 West Lafayette
Indiana 47906 / US
[N/P]
Former [1995/33]For all designated states
GREAT LAKES CHEMICAL CORPORATION
Highway 52 Northwest P.O. Box 2200
West Lafayette Indiana 47906 / US
Inventor(s)01 / HOWARTH, Jonathan, N.
3481 Lakeside Drive N.E.
Atlanta, Georgia 30326 / US
02 / McKEOWN, Julie, A.
P.O. Box 2262
West Lafayette, IN 47906 / US
03 / SERGENT, Rodney, H.
722 Bexley Road
West Lafayette, IN 47906 / US
[1995/33]
Representative(s)Atkinson, Peter Birch, et al
Marks & Clerk LLP
1 New York Street
Manchester M1 4HD / GB
[N/P]
Former [1995/33]Atkinson, Peter Birch, et al
MARKS & CLERK, Sussex House, 83-85 Mosley Street
Manchester M2 3LG / GB
Application number, filing date94900488.101.11.1993
[1995/33]
WO1993US10494
Priority number, dateUS1992096902330.10.1992         Original published format: US 969023
[1995/33]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9410094
Date:11.05.1994
Language:EN
[1994/11]
Type: A1 Application with search report 
No.:EP0666834
Date:16.08.1995
Language:EN
The application published by WIPO in one of the EPO official languages on 11.05.1994 takes the place of the publication of the European patent application.
[1995/33]
Type: B1 Patent specification 
No.:EP0666834
Date:25.03.1998
Language:EN
[1998/13]
Search report(s)International search report - published on:US11.05.1994
(Supplementary) European search report - dispatched on:EP23.04.1996
ClassificationIPC:C02F1/76, C02F1/78
[1995/33]
CPC:
C02F1/78 (EP,US); C02F1/766 (EP,US)
Designated contracting statesAT,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1995/33]
TitleGerman:METHODEN ZUR ERZEUGUNG VON RESTDESINFEKTIONSMITTEL WÄHREND DER OZONISIERUNG VON WASSER[1995/33]
English:METHODS FOR GENERATING RESIDUAL DISINFECTANTS DURING THE OZONIZATION OF WATER[1995/33]
French:PROCEDES PERMETTANT DE PRODUIRE DES DESINFECTANTS RESIDUELS PENDANT L'OZONISATION DE L'EAU[1995/33]
Entry into regional phase02.05.1995National basic fee paid 
02.05.1995Search fee paid 
02.05.1995Designation fee(s) paid 
02.05.1995Examination fee paid 
Examination procedure24.05.1994Request for preliminary examination filed
International Preliminary Examining Authority: US
02.05.1995Examination requested  [1995/33]
13.08.1997Despatch of communication of intention to grant (Approval: Yes)
26.09.1997Communication of intention to grant the patent
04.12.1997Fee for grant paid
04.12.1997Fee for publishing/printing paid
Opposition(s)29.12.1998No opposition filed within time limit [1999/11]
Fees paidRenewal fee
09.11.1995Renewal fee patent year 03
11.11.1996Renewal fee patent year 04
10.11.1997Renewal 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  TooltipAT25.03.1998
CH25.03.1998
ES25.03.1998
FR25.03.1998
IT25.03.1998
LI25.03.1998
NL25.03.1998
SE25.06.1998
[2006/14]
Former [2003/08]AT25.03.1998
CH25.03.1998
ES25.03.1998
IT25.03.1998
LI25.03.1998
NL25.03.1998
SE25.06.1998
FR21.08.1998
Former [2002/26]AT25.03.1998
CH25.03.1998
ES25.03.1998
IT25.03.1998
LI25.03.1998
SE25.06.1998
FR21.08.1998
Former [1999/42]AT25.03.1998
CH25.03.1998
IT25.03.1998
LI25.03.1998
SE25.06.1998
FR21.08.1998
Former [1998/52]AT25.03.1998
CH25.03.1998
LI25.03.1998
SE25.06.1998
FR21.08.1998
Former [1998/50]AT25.03.1998
CH25.03.1998
LI25.03.1998
SE25.06.1998
Former [1998/43]AT25.03.1998
SE25.06.1998
Former [1998/40]AT25.03.1998
Documents cited:Search[A]WO8910696  (GREAT LAKES CHEMICAL CORP [US]) [A] * claims 1-38 *
International search[A]US4053403  (BACHHOFER BRUNO, et al);
 [A]US4256728  (NISHINO HIROSHI, et al);
 [A]US4453953  (TANAKA MASAAKI [JP], et al);
 [A]US5130033  (THORNHILL ROBIN W [GB])
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.