(19)
(11) EP 1 119 540 A1

(12)

(43) Date of publication:
01.08.2001 Bulletin 2001/31

(21) Application number: 99970076.8

(22) Date of filing: 27.09.1999
(51) International Patent Classification (IPC)7: C07C 43/295, A01N 31/16, A61K 7/00, C11D 3/00, D06M 13/10, C07C 41/26
(86) International application number:
PCT/EP9907/158
(87) International publication number:
WO 0020/366 (13.04.2000 Gazette 2000/15)
(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: 06.10.1998 EP 98811002

(71) Applicant: Ciba Specialty Chemicals Holding Inc.
4057 Basel (CH)

(72) Inventors:
  • DI TEODORO, Armando
    D-79618 Rheinfelden (DE)
  • HÖLZL, Werner
    F-68440 Eschentzwiller (FR)
  • REINEHR, Dieter
    D-79400 Kandern (DE)
  • ZINK, Rudolf
    CH-4106 Therwil (CH)

   


(54) PROCESS FOR THE PREPARATION OF 4,4'-DIHALOGEN-O-HYDROXYDIPHENYL COMPOUNDS