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Extract from the Register of European Patents

EP About this file: EP1129031

EP1129031 - IMPROVED PROCESS FOR CYANIC ACID PRODUCTION [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  19.12.2008
Database last updated on 15.07.2024
Most recent event   Tooltip19.12.2008Revocation of patentpublished on 21.01.2009  [2009/04]
Applicant(s)For all designated states
L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
75, Quai d'Orsay
75007 Paris / FR
[N/P]
Former [2007/26]For all designated states
L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
75, quai d'Orsay
75007 Paris / FR
Former [2007/18]For all designated states
L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
75, Quai d'Orsay
75321 Paris Cedex 07 / FR
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 [2001/36]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
Inventor(s)01 / BHATIA, Sandeep
52 Lincoln Oaks Drive, No. 501
Willowbrook, IL 60514 / US
02 / GEZER, Metin
Apartment 86A 2020 Westcreek
Houston, TX 77027 / US
 [2001/36]
Representative(s)Ducreux, Marie
L'Air Liquide
Service Propriété Industrielle
75 Quai d'Orsay
75321 Paris Cedex 07 / FR
[N/P]
Former [2001/36]Ducreux, Marie
L'Air Liquide, Service Propriété Industrielle, 75 Quai d'Orsay
75321 Paris cedex 07 / FR
Application number, filing date98953286.608.10.1998
[2001/36]
WO1998US21094
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO0020333
Date:13.04.2000
Language:EN
[2000/15]
Type: A1 Application with search report 
No.:EP1129031
Date:05.09.2001
Language:EN
The application published by WIPO in one of the EPO official languages on 13.04.2000 takes the place of the publication of the European patent application.
[2001/36]
Type: B1 Patent specification 
No.:EP1129031
Date:21.08.2002
Language:EN
[2002/34]
Search report(s)International search report - published on:EP13.04.2000
ClassificationIPC:C01C3/02, C01C3/10
[2001/36]
CPC:
C01C3/0212 (EP)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2001/36]
TitleGerman:VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON BLAUSÄURE[2001/36]
English:IMPROVED PROCESS FOR CYANIC ACID PRODUCTION[2001/36]
French:PROCEDE AMELIORE DE PRODUCTION D'ACIDE CYANIQUE[2001/36]
Entry into regional phase08.05.2001National basic fee paid 
08.05.2001Designation fee(s) paid 
08.05.2001Examination fee paid 
Examination procedure08.05.2000Request for preliminary examination filed
International Preliminary Examining Authority: EP
08.05.2001Examination requested  [2001/36]
23.10.2001Despatch of communication of intention to grant (Approval: Yes)
27.02.2002Communication of intention to grant the patent
10.06.2002Fee for grant paid
10.06.2002Fee for publishing/printing paid
Opposition(s)Opponent(s)01  20.05.2003  30.05.2003  ADMISSIBLE
Linde Aktiengesellschaft, Wiesbaden
Zentrale Patentabteilung
D-82049 Höllriegelskreuth / DE
Opponent's representative
Gellner, Bernd
Linde GmbH
Intellectual Property EMEA
Dr.-Carl-von-Linde-Straße 6-14
82049 Pullach / DE
 [N/P]
Former [2003/29]
Opponent(s)01  20.05.2003   
Linde Aktiengesellschaft, Wiesbaden
Zentrale Patentabteilung
D-82049 Höllriegelskreuth / DE
Opponent's representative
Gellner, Bernd
Linde Aktiengesellschaft, Zentrale Patentabteilung, Dr.-Carl-von-Linde-Strasse 6-14
82049 Höllriegelskreuth / DE
27.06.2003Invitation to proprietor to file observations on the notice of opposition
18.12.2003Reply of patent proprietor to notice(s) of opposition
27.04.2004Despatch of a communication from the opposition division (Time limit: M02)
10.05.2004Reply to a communication from the opposition division
13.10.2005Date of oral proceedings
30.11.2005Despatch of interlocutory decision in opposition
30.11.2005Despatch of minutes of oral proceedings
14.05.2008Legal effect of revocation of patent [2009/04]
14.05.2008Despatch of communication that the patent will be revoked
Appeal following opposition24.01.2006Appeal received No.  T0141/06
28.03.2006Statement of grounds filed
14.05.2008Result of appeal procedure: revocation of the patent
14.05.2008Date of oral proceedings
Fees paidRenewal fee
08.05.2001Renewal fee patent year 03
19.09.2001Renewal fee patent year 04
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  TooltipAT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
LU08.10.2002
CY31.10.2002
DK21.11.2002
SE21.11.2002
PT05.12.2002
ES28.02.2003
MC01.05.2003
GB08.10.2004
IT08.10.2005
[2007/34]
Former [2006/44]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
LU08.10.2002
CY31.10.2002
DK21.11.2002
SE21.11.2002
PT05.12.2002
ES28.02.2003
MC01.05.2003
GB08.10.2004
Former [2006/13]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
LU08.10.2002
CY31.10.2002
DK21.11.2002
SE21.11.2002
PT05.12.2002
ES28.02.2003
GB08.10.2004
Former [2005/01]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
LU08.10.2002
CY31.10.2002
DK21.11.2002
SE21.11.2002
PT05.12.2002
ES28.02.2003
Former [2004/39]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
LU08.10.2002
CY31.10.2002
DK21.11.2002
PT05.12.2002
ES28.02.2003
Former [2004/10]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
CY31.10.2002
DK21.11.2002
PT05.12.2002
ES28.02.2003
Former [2004/04]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
DK21.11.2002
PT05.12.2002
ES28.02.2003
Former [2004/02]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
IE08.10.2002
DK21.11.2002
PT05.12.2002
Former [2003/46]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
DK21.11.2002
PT05.12.2002
Former [2003/31]AT21.08.2002
CH21.08.2002
FI21.08.2002
GR21.08.2002
LI21.08.2002
NL21.08.2002
PT05.12.2002
Former [2003/22]FI21.08.2002
GR21.08.2002
NL21.08.2002
PT05.12.2002
Former [2003/20]FI21.08.2002
GR21.08.2002
NL21.08.2002
Former [2003/14]FI21.08.2002
NL21.08.2002
Former [2003/09]NL21.08.2002
Cited inInternational search[A]DE1161870  (ZIMMER VERFAHRENSTECHNIK);
 [DA]US3379500  (FRANCESCO ALBANESE, et al) [DA] 1-16 * column W *;
 [X]GB1120401  (MONTEDISON SPA) [X] 1-16 * examples 4,5; claim -; table . *;
 [A]US4128622  (LOOS II KARL D, et al) [A] 1-7,15,16;
 [X]EP0309126  (DU PONT [US]) [X] 17,18 * the whole document *
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.