(19)
(11) EP 1 100 764 A1

(12)

(43) Date of publication:
23.05.2001 Bulletin 2001/21

(21) Application number: 00938359.7

(22) Date of filing: 31.05.2000
(51) International Patent Classification (IPC)7C07C 67/03, C07C 69/52, C07C 69/587, C12P 7/62
(86) International application number:
PCT/CA0000/643
(87) International publication number:
WO 0073/254 (07.12.2000 Gazette 2000/49)
(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: 31.05.1999 CA 2273570

(71) Applicant: JFS Envirohealth Ltd.
Ottawa,Ontario K2M 8M5 (CA)

(72) Inventors:
  • LE GOFFIC, François
    F-92140 Clamart (FR)
  • NGUYEN, Anh, Dung
    F-92340 Bourg-la-Reine (FR)
  • KHAYAT-FRYDMAN, Chiraz
    F-94240 L'Hay-les-Roses (FR)

(74) Representative: Rapp, Bertram, Dr. et al
Charrier Rapp & Liebau,Postfach 31 02 60
86063 Augsburg
86063 Augsburg (DE)

   


(54) CONCENTRATION AND PURIFICATION OF POLYUNSATURATED FATTY ACID