(19)
(11)
EP 0 368 973 A1
(12)
(43)
Date of publication:
23.05.1990
Bulletin 1990/21
(21)
Application number:
89906006.0
(22)
Date of filing:
26.05.1989
(51)
International Patent Classification (IPC):
A61K
8/
18
( . )
A61K
8/
25
( . )
A61Q
1/
02
( . )
C01B
33/
38
( . )
C09C
1/
00
( . )
C09C
1/
40
( . )
C09D
17/
00
( . )
A61K
8/
19
( . )
A61K
8/
30
( . )
C01B
33/
26
( . )
C01B
33/
42
( . )
C09C
1/
28
( . )
C09D
7/
12
( . )
D21H
19/
38
( . )
(86)
International application number:
PCT/AT1989/000053
(87)
International publication number:
WO 1989/011508
(
30.11.1989
Gazette 1989/28)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
26.05.1988
AT 19880001385
(71)
Applicant:
NAINTSCH MINERALWERKE GESELLSCHAFT M.B.H.
A-8020 Graz (AT)
(72)
Inventor:
KOLB, Hans
A-8020 Graz (AT)
(74)
Representative:
Pfeifer, Otto, Dipl.-Ing., et al
Patentanwälte Schütz und Partner Fleischmanngasse 9
A-1040 Wien
A-1040 Wien (AT)
(54)
AIR-GAP INTERFERENCE PIGMENTS, MANUFACTURE AND USE THEREOF