(19)
(11) EP 1 539 677 A2

(12)

(88) Date of publication A3:
17.06.2004

(43) Date of publication:
15.06.2005 Bulletin 2005/24

(21) Application number: 03757823.4

(22) Date of filing: 11.09.2003
(51) International Patent Classification (IPC)7C07C 235/74, C07C 237/22, C07C 255/29, C10M 133/16, C10M 141/06, C10M 133/50, C10M 133/24
(86) International application number:
PCT/EP2003/010115
(87) International publication number:
WO 2004/026811 (01.04.2004 Gazette 2004/14)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 19.09.2002 CH 20021588

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

(72) Inventors:
  • CAMENZIND, Hugo
    CH-3014 Bern (CH)
  • HĂ„NGGI, Peter
    Ch-1735 Giffers (CH)

   


(54) SUCCINIC ACID SEMI-AMIDES AS ANTI-CORROSIVES AGENTS