(19)
(11) EP 1 230 150 A1

(12)

(43) Date of publication:
14.08.2002 Bulletin 2002/33

(21) Application number: 00975531.5

(22) Date of filing: 01.11.2000
(51) International Patent Classification (IPC)7C01B 17/765
(86) International application number:
PCT/US0030/095
(87) International publication number:
WO 0136/324 (25.05.2001 Gazette 2001/21)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 01.11.1999 US 163061 P

(71) Applicant: MONSANTO COMPANY
St. Louis, Missouri 63167 (US)

(72) Inventor:
  • MENON, Adam, V.
    Valley Park, MO 63088 (US)

(74) Representative: Maiwald Patentanwalts GmbH 
ElisenhofElisenstrasse 3
80335 München
80335 München (DE)

   


(54) METHOD FOR MAKING SULFUR TRIOXIDE, SULFURIC ACID, AND OLEUM FROM SULFUR DIOXIDE