(19)
(11)
EP 0 880 349 A1
(12)
(43)
Date of publication:
02.12.1998
Bulletin 1998/49
(21)
Application number:
97941077.0
(22)
Date of filing:
17.09.1997
(51)
International Patent Classification (IPC):
A61K
6/
08
( . )
A61K
6/
083
( . )
C08F
2/
44
( . )
A61K
6/
00
( . )
B01J
13/
02
( . )
C08L
33/
04
( . )
(86)
International application number:
PCT/US1997/016325
(87)
International publication number:
WO 1998/013008
(
02.04.1998
Gazette 1998/13)
(84)
Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
27.09.1996
US 19960721742
(71)
Applicant:
SOUTHWEST RESEARCH INSTITUTE
San Antonio, TX 78238-0510 (US)
(72)
Inventor:
WELLINGHOFF, Stephen, T.
San Antonio, TX 78250 (US)
(74)
Representative:
Wagner, Karl H., Dipl.-Ing.
WAGNER & GEYER Patentanwälte Gewürzmühlstrasse 5
80538 München
80538 München (DE)
(54)
METAL OXIDE COMPOSITIONS AND METHODS