(19)
(11) EP 0 541 648 A1

(12)

(43) Date of publication:
19.05.1993 Bulletin 1993/20

(21) Application number: 91914070.0

(22) Date of filing: 26.07.1991
(51) International Patent Classification (IPC): 
B01J 23/ 656( . )
C07B 61/ 00( . )
B01J 23/ 89( . )
C07D 307/ 08( . )
(86) International application number:
PCT/US1991/005165
(87) International publication number:
WO 1992/002298 (20.02.1992 Gazette 1992/05)
(84) Designated Contracting States:
BE DE ES FR GB GR IT LU NL

(30) Priority: 27.07.1990 US 19900558991
24.07.1991 US 19910734844

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)

(72) Inventors:
  • ERNST, Richard, Edward
    Kennett Square, PA 19348 (US)
  • MICHEL, John, Byrne
    West Chester, PA 19383 (US)

(74) Representative: Woodcraft, David Charles, et al 
High Holborn House 52/54 High Holborn
London WC1V 6SE
London WC1V 6SE (GB)

   


(54) HYDROGENATION CATALYST AND METHOD FOR PREPARING TETRAHYDROFURAN