(19)
(11)
EP 0 859 871 A1
(12)
(43)
Date of publication:
26.08.1998
Bulletin 1998/35
(21)
Application number:
96934123.0
(22)
Date of filing:
15.10.1996
(51)
International Patent Classification (IPC):
B05D
7/
14
( . )
C09D
5/
08
( . )
C09D
161/
20
( . )
C23C
22/
78
( . )
C08G
8/
20
( . )
C09D
161/
12
( . )
C23C
22/
23
( . )
(86)
International application number:
PCT/US1996/016132
(87)
International publication number:
WO 1997/013887
(
17.04.1997
Gazette 1997/17)
(84)
Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI NL
(30)
Priority:
13.10.1995
JP 19950265501
(71)
Applicant:
HENKEL CORPORATION
Plymouth Meeting, PA 19462 (US)
(72)
Inventors:
YOSHIDA, Masayuki
Yokohama-shi 241 (JP)
EHARA, Ryoji
Hiratsuka-shi, Kanagawa-ken 254 (JP)
(74)
Representative:
Sanderson, Laurence Andrew, et al
SANDERSON & CO. European Patent Attorneys 34, East Stockwell Street
Colchester Essex CO1 1ST
Colchester Essex CO1 1ST (GB)
(54)
COMPOSITION AND PROCESS FOR SURFACE TREATMENT OF ALUMINUM AND ITS ALLOYS