(19)
(11) EP 1 140 950 A1

(12)

(43) Date of publication:
10.10.2001 Bulletin 2001/41

(21) Application number: 99951952.3

(22) Date of filing: 12.10.1999
(51) International Patent Classification (IPC)7C07F 9/50
(86) International application number:
PCT/US9923/777
(87) International publication number:
WO 0032/613 (08.06.2000 Gazette 2000/23)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 03.12.1998 CA 2255161

(71) Applicant: CYTEC TECHNOLOGY CORP.
Wilmington,Delaware 19801 (US)

(72) Inventors:
  • HILLHOUSE, John, Henry
    Niagara Falls, Ontario L2J 4G9 (CA)
  • RICKELTON, William Andrew
    Niagara Falls, Ontario L2J 4G9 (CA)

(74) Representative: Bowman, Paul Alan et al
LLOYD WISE, TREGEAR & CO.,Commonwealth House,1-19 New Oxford Street
London WC1A 1LW
London WC1A 1LW (GB)

   


(54) PREPARATION OF MONO- AND DI-ARYLPHOSPHINES