(19)
(11) EP 1 144 378 A3

(12)

(88) Date of publication A3:
06.12.2001

(43) Date of publication A2:
17.10.2001 Bulletin 2001/42

(21) Application number: 00907490.7

(22) Date of filing: 31.01.2000
(51) International Patent Classification (IPC)7: C07D 211/70, C07D 211/94
(86) International application number:
PCT/EP0000/733
(87) International publication number:
WO 0004/6202 (10.08.2000 Gazette 2000/32)
(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: 05.02.1999 CH 21999
16.03.1999 CH 48499

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

(72) Inventors:
  • SOMMERLADE, Reinhard
    D-79112 Freiburg (DE)
  • SIEBENHAAR, Bernd
    D-79400 Kandern-Wollbach (DE)
  • CASAGRANDE, Bruno
    F-68220 Leymen (FR)
  • STEINER, Heinz
    CH-4416 Bubendorf (CH)

 
Remarks:
WIPO A3 publication data is not currently available.
 


(54) PROCESS FOR THE PREPARATION OF 1,2,3,6-TETRAHYDRO-2,2,6,6-TETRAALKYLPYRIDINES