(19)
(11) EP 1 606 050 A1

(12)

(43) Date of publication:
21.12.2005 Bulletin 2005/51

(21) Application number: 04717178.0

(22) Date of filing: 04.03.2004
(51) International Patent Classification (IPC)7: B01J 19/02, B01J 19/00, F16L 13/02
(86) International application number:
PCT/IB2004/000690
(87) International publication number:
WO 2004/082824 (30.09.2004 Gazette 2004/40)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 17.03.2003 FR 0303238
25.06.2003 US 603530

(71) Applicant: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
75321 Paris Cédex 07 (FR)

(72) Inventors:
  • WASTIAUX, Sophie
    F-93600 Aulnay sous Bois (FR)
  • POTEAU, Michel
    F-77230 Damartin en Goêle (FR)

   


(54) METHOD OF PROTECTING EQUIPMENT AGAINST CORROSION AT HIGH TEMPERATURE