Extract from the Register of European Patents

EP About this file: EP0611218

EP0611218 - Process and installation for producing oxygen under pressure [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  21.06.2002
Database last updated on 28.03.2026
Most recent event   Tooltip21.06.2002Patent maintained (B2 publication)published on 07.08.2002  [2002/32]
Applicant(s)For all designated states
L'air Liquide, S.A. à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude
75, Quai d'Orsay
75321 Paris Cedex 07 / FR
[N/P]
Former [2002/17]For all designated states
L'air Liquide, S.A. à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude
75, Quai d'Orsay
75321 Paris Cedex 07 / FR
Former [1998/45]For all designated states
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
75, Quai d'Orsay
75321 Paris Cédex 07 / FR
Former [1994/33]For all designated states
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
75, Quai d'Orsay
F-75321 Paris Cédex 07 / FR
Inventor(s)01 / Grenier, Maurice
3 rue Camille Tahan
F-75018 Paris / FR
[1994/33]
Representative(s)Mercey, Fiona Susan, et al
L'Air Liquide
Service Brevets et Marques
75, quai d'Orsay
75321 Paris Cédex 07 / FR
[N/P]
Former [2000/11]Mercey, Fiona Susan, et al
L'Air Liquide, Service Brevets et Marques, 75, quai d'Orsay
75321 Paris Cédex 07 / FR
Former [1996/47]Jacobson, Claude, et al
Cabinet Lavoix 2, Place d'Estienne d'Orves
75441 Paris Cedex 09 / FR
Former [1994/33]Mercey, Fiona Susan, et al
L'Air Liquide, Service Brevets et Marques, 75, quai d'Orsay
F-75321 Paris Cédex 07 / FR
Application number, filing date94400300.311.02.1994
[1994/33]
Priority number, dateFR1993000162212.02.1993         Original published format: FR 9301622
[1994/33]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0611218
Date:17.08.1994
Language:FR
[1994/33]
Type: B1 Patent specification 
No.:EP0611218
Date:04.11.1998
Language:FR
[1998/45]
Type: B2 New European patent specification 
No.:EP0611218
Date:07.08.2002
Language:FR
[2002/32]
Search report(s)(Supplementary) European search report - dispatched on:EP30.05.1994
ClassificationIPC:F25J3/04
[1994/33]
CPC:
F25J3/04084 (EP,US); F25J3/04018 (EP,US); F25J3/04024 (EP,US);
F25J3/0409 (EP,US); F25J3/04145 (EP,US); F25J3/04175 (EP);
F25J3/042 (EP,US); F25J3/04236 (EP,US); F25J3/04278 (EP,US);
F25J3/04296 (EP,US); F25J3/04303 (EP,US); F25J3/04375 (EP);
F25J3/04393 (EP,US); F25J3/04412 (EP,US); F25J2205/04 (EP,US);
F25J2270/90 (EP,US); F25J2290/10 (EP,US); F25J2290/62 (EP,US);
Y10S62/913 (EP,US); Y10S62/94 (EP,US) (-)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   NL,   SE [1994/33]
TitleGerman:Verfahren und Anlage zur Herstellung von Drucksauerstoff[1994/33]
English:Process and installation for producing oxygen under pressure[1994/33]
French:Procédé et installation de production d'oxygene sous pression[1994/33]
Examination procedure16.02.1994Examination requested  [1994/33]
18.01.1996Despatch of a communication from the examining division (Time limit: M04)
26.07.1996Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
26.09.1996Reply to a communication from the examining division
25.10.1996Despatch of a communication from the examining division (Time limit: M06)
02.05.1997Reply to a communication from the examining division
17.06.1997Despatch of a communication from the examining division (Time limit: M04)
15.10.1997Reply to a communication from the examining division
20.03.1998Despatch of communication of intention to grant (Approval: Yes)
05.05.1998Communication of intention to grant the patent
04.08.1998Fee for grant paid
04.08.1998Fee for publishing/printing paid
Opposition(s)Opponent(s)01  03.08.1999  13.09.1999  ADMISSIBLE
LINDE AKTIENGESELLSCHAFT
Abraham-Lincoln-Strasse 21
D-65189 Wiesbaden / DE
Opponent's representative
Imhof, Dietmar
Arminiusstr. 5
81543 München / DE
 [N/P]
Former [1999/39]
Opponent(s)01  03.08.1999   
LINDE AKTIENGESELLSCHAFT
Abraham-Lincoln-Strasse 21
D-65189 Wiesbaden / DE
Opponent's representative
Imhof, Dietmar
Linde AG Zentrale Patentabteilung Dr.-Carl-von-Linde-Strasse 6-14
82049 Höllriegelskreuth / DE
23.09.1999Invitation to proprietor to file observations on the notice of opposition
03.04.2000Reply of patent proprietor to notice(s) of opposition
13.04.2000Communication of observations of patent proprietor (Time limit: M04)
11.08.2000Reply of parties involved to observations of patent proprietor
28.11.2000Despatch of a communication from the opposition division (Time limit: M06)
25.05.2001Reply to a communication from the opposition division
26.11.2001Date of oral proceedings
14.12.2001Despatch of interlocutory decision in opposition
14.12.2001Despatch of minutes of oral proceedings
24.12.2001Legal effect of interlocutory decision in opposition
15.04.2002Despatch of communication that the patent will be maintained as amended
31.05.2002Fee for printing new specification paid
Request for further processing for:26.09.1996Request for further processing filed
26.09.1996Full payment received (date of receipt of payment)
Request granted
14.10.1996Decision despatched
Fees paidRenewal fee
16.01.1996Renewal fee patent year 03
15.01.1997Renewal fee patent year 04
13.01.1998Renewal fee patent year 05
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Cited inOpposition  De Percin, G.: "La production d'oxygne sous pression", Bulletin of the International Institute of Refrigeration (Supplement) 1955, pp. 27 to 37
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