(19)
(11) EP 1 458 662 A1

(12)

(43) Date of publication:
22.09.2004 Bulletin 2004/39

(21) Application number: 01992181.6

(22) Date of filing: 18.12.2001
(51) International Patent Classification (IPC)7C07C 7/12, C07C 7/04
(86) International application number:
PCT/US2001/049104
(87) International publication number:
WO 2003/051799 (26.06.2003 Gazette 2003/26)
(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

(71) Applicant: UOP LLC
Des Plaines, IL 60017 (US)

(72) Inventor:
  • HAMM, David A.,Uop Llc
    Des Plaines, IL 60017 (US)

(74) Representative: Hayes, Adrian Chetwynd et al
Boult Wade Tennant,Verulam Gardens70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) ADSORPTIVE SEPARATION PRODUCT RECOVERY BY FRACTIONAL DISTILLATION