(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)
7
:
C07C
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)
HÄNGGI, Peter
Ch-1735 Giffers (CH)
(54)
SUCCINIC ACID SEMI-AMIDES AS ANTI-CORROSIVES AGENTS