(19)
(11) EP 1 000 002 A1

(12)

(43) Date of publication:
17.05.2000 Bulletin 2000/20

(21) Application number: 98932350.6

(22) Date of filing: 02.07.1998
(51) International Patent Classification (IPC)7: C07C 17/087, C07C 19/08, B01J 23/26
(86) International application number:
PCT/GB9801/951
(87) International publication number:
WO 9906/342 (11.02.1999 Gazette 1999/06)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 31.07.1997 GB 9716136
16.12.1997 US 69742 P

(71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC
London SW1P 3JF (GB)

(72) Inventors:
  • EWING, Paul, Nicholas
    Warrington,Cheshire WA4 2UT (GB)
  • STEWART, Paul, Hendry
    South Wirral,Cheshire L66 2HY (GB)

(74) Representative: Dee, Ian Mark et al
Eric Potter Clarkson,Park View House,58 The Ropewalk
Nottingham NG1 5DD
Nottingham NG1 5DD (GB)

   


(54) VAPOUR PHASE PREPARATION OF 1,1,1,2,3,3,3-HEPTAFLUOROPROPANE