(19)
(11)
EP 0 096 074 A1
(12)
(43)
Date of publication:
21.12.1983
Bulletin 1983/51
(21)
Application number:
83900393.0
(22)
Date of filing:
20.12.1982
(51)
International Patent Classification (IPC):
A61K
31/
04
( . )
A61K
9/
22
( . )
A61K
31/
13
( . )
A61K
9/
00
( . )
A61K
9/
28
( . )
A61K
31/
49
( . )
(86)
International application number:
PCT/US1982/001771
(87)
International publication number:
WO 1983/002056
(
23.06.1983
Gazette 1983/15)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE
(30)
Priority:
18.12.1981
US 19810332126
18.12.1981
US 19810332127
18.12.1981
US 19810332128
(71)
Applicant:
Key Pharmaceuticals, Inc.
Miami, Florida 33169 (US)
(72)
Inventor:
KEITH, Alec
Miami, FL 33169 (US)
(74)
Representative:
Werner, Hans-Karsten, Dr., et al
Patentanwälte Von Kreisler-Selting-Werner Postfach 10 22 41
D-50462 Köln
D-50462 Köln (DE)
(54)
EXPANDABLE LATTICE OF POLYVINYL ALCOHOL AND POLYETHYLENE GLYCOL