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Extract from the Register of European Patents

EP About this file: EP1490299

EP1490299 - METHOD FOR THE SURFACE PURIFICATION OF A GRAPHITE CONTAINING IMPURITIES USING A DILUTE AQUEOUS SOLUTION OF NH4F AND H2SO4 [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.10.2009
Database last updated on 03.08.2024
Most recent event   Tooltip30.09.2011Lapse of the patent in a contracting state
New state(s): CY, TR		published on 02.11.2011  [2011/44]
Applicant(s)For all designated states
HYDRO-QUEBEC
75, Boulevard René-Lévesque Ouest
Montréal, Québec H2Z 1A4 / CA
[N/P]
Former [2008/48]For all designated states
HYDRO QUEBEC
75 Boulevard René Lévesque Ouest Montréal H2Z 1A4
Québec / CA
Former [2005/01]For all designated states
HYDRO QUEBEC
75 Boulevard René Lévesque Ouest
Montréal H2Z 1A4, Québec / CA
Inventor(s)01 / ZAGHIB, Karim
3672, Belcourt
Longueuil, Québec J4M 2M7 / CA
02 / GUERFI, Abdelbast
8655, boulevard Rivard
Brossard, Québec J4X 1W2 / CA
03 / ARMAND, Michel
2965, Fendall
Montréal, Québec H3T 1N2 / CA
04 / GAGNON, Claude
1301 du Candélabre
Val-Bélair, Québec G3K 2H9 / CA
05 / KINOSHITA, Kimio
20644 Nancy Court
Cupertino, CA 95014 / US
 [2005/01]
Representative(s)Sueur, Yvette, et al
Ipsilon Brema-Loyer
Le Centralis
63, avenue du Général Leclerc
92340 Bourg-la-Reine / FR
[N/P]
Former [2005/01]Sueur, Yvette, et al
Cabinet SUEUR et L'HELGOUALCH, 109, boulevard Haussmann
75008 Paris / FR
Application number, filing date03704116.712.02.2003
[2005/01]
WO2003CA00209
Priority number, dateCA2002237413201.03.2002         Original published format: CA 2374132
[2005/01]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO03074419
Date:12.09.2003
Language:FR
[2003/37]
Type: A1 Application with search report 
No.:EP1490299
Date:29.12.2004
Language:FR
The application published by WIPO in one of the EPO official languages on 12.09.2003 takes the place of the publication of the European patent application.
[2004/53]
Type: B1 Patent specification 
No.:EP1490299
Date:26.11.2008
Language:FR
[2008/48]
Search report(s)International search report - published on:EP12.09.2003
ClassificationIPC:C01B31/04, H01M4/58
[2005/01]
CPC:
H01M4/587 (EP,US); C01B32/215 (EP,US); H01M10/0525 (EP,US);
Y02E60/10 (EP)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   SI,   SK,   TR [2005/01]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
TitleGerman:VERFAHREN ZUR OBERFLÄCHENREINIGUNG VON VERUNREINIGUNGEN ENTHALTENDEM GRAPHIT MITTELS EINER NH4F UND H2SO4 ENTHALTENDEN WÄSSRIGEN LÖSUNG[2005/01]
English:METHOD FOR THE SURFACE PURIFICATION OF A GRAPHITE CONTAINING IMPURITIES USING A DILUTE AQUEOUS SOLUTION OF NH4F AND H2SO4[2005/01]
French:PROCEDE DE PURIFICATION EN SURFACE D'UN GRAPHITE CONTENANT DES IMPURETES A L'AIDE D'UNE SOLUTION AQUEUSE DILUEE DE NH4F ET DE H2SO4[2005/01]
Entry into regional phase11.09.2004National basic fee paid 
11.09.2004Designation fee(s) paid 
11.09.2004Examination fee paid 
Examination procedure19.09.2003Request for preliminary examination filed
International Preliminary Examining Authority: EP
11.09.2004Examination requested  [2004/53]
06.12.2004Despatch of a communication from the examining division (Time limit: M06)
09.06.2005Reply to a communication from the examining division
16.01.2006Despatch of a communication from the examining division (Time limit: M06)
08.06.2006Reply to a communication from the examining division
08.12.2006Despatch of a communication from the examining division (Time limit: M04)
27.01.2007Reply to a communication from the examining division
02.06.2008Communication of intention to grant the patent
02.09.2008Fee for grant paid
02.09.2008Fee for publishing/printing paid
Opposition(s)27.08.2009No opposition filed within time limit [2009/45]
Fees paidRenewal fee
25.02.2005Renewal fee patent year 03
27.02.2006Renewal fee patent year 04
26.02.2007Renewal fee patent year 05
27.02.2008Renewal 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  TooltipCY26.11.2008
CZ26.11.2008
DK26.11.2008
EE26.11.2008
FI26.11.2008
NL26.11.2008
SI26.11.2008
SK26.11.2008
TR26.11.2008
BG26.02.2009
GR27.02.2009
MC28.02.2009
HU27.05.2009
[2011/43]
Former [2011/31]CZ26.11.2008
DK26.11.2008
EE26.11.2008
FI26.11.2008
NL26.11.2008
SI26.11.2008
SK26.11.2008
BG26.02.2009
GR27.02.2009
MC28.02.2009
HU27.05.2009
Former [2010/48]CZ26.11.2008
DK26.11.2008
EE26.11.2008
FI26.11.2008
NL26.11.2008
SI26.11.2008
SK26.11.2008
BG26.02.2009
GR27.02.2009
MC28.02.2009
Former [2009/43]CZ26.11.2008
DK26.11.2008
EE26.11.2008
FI26.11.2008
NL26.11.2008
SI26.11.2008
SK26.11.2008
BG26.02.2009
MC28.02.2009
Former [2009/39]CZ26.11.2008
DK26.11.2008
EE26.11.2008
FI26.11.2008
NL26.11.2008
SI26.11.2008
BG26.02.2009
Former [2009/36]DK26.11.2008
EE26.11.2008
FI26.11.2008
NL26.11.2008
SI26.11.2008
BG26.02.2009
Former [2009/34]DK26.11.2008
FI26.11.2008
NL26.11.2008
SI26.11.2008
BG26.02.2009
Former [2009/25]FI26.11.2008
NL26.11.2008
SI26.11.2008
Cited inInternational search[A]DE125304  (HERMANN LANGBEIN) [A] 1-45* claim 1 *;
 [X]CA2299626  (HYDRO QUEBEC [CA]) [X] 1-45 * example 6; claims 1-4 *;
 [DX]WO0162666  (HYDRO QUEBEC [CA], et al) [DX] 1-45 * page 6, lines 23-25; example 5; claims 1,4-14,16-26 * * page 8, lines 7,8 *;
 [X]CA2307118  (HYDRO QUEBEC [CA]) [X] 1-45 * page 5, line 17 - page 6, line 2; examples 2,6; claims 1-16 * * page 9, lines 8-18 *;
 [PX]WO0234670  (HYDRO QUEBEC [CA], et al) [PX] 37,38 * claims 1,6 *
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.