(19)
(11)
EP 0 466 906 A1
(12)
(43)
Date of publication:
22.01.1992
Bulletin 1992/04
(21)
Application number:
91904315.0
(22)
Date of filing:
28.01.1991
(51)
International Patent Classification (IPC):
C08L
25/
04
( . )
C08L
51/
04
( . )
C08L
55/
02
( . )
C08L
67/
00
( . )
C08L
69/
00
( . )
C08L
75/
00
( . )
C08L
59/
02
( . )
C08L
25/
08
( . )
C08L
55/
00
( . )
C08L
59/
00
( . )
C08L
67/
02
( . )
C08L
73/
00
( . )
C08L
75/
04
( . )
C08L
75/
06
( . )
(86)
International application number:
PCT/US1991/000673
(87)
International publication number:
WO 1991/011487
(
08.08.1991
Gazette 1991/18)
(84)
Designated Contracting States:
BE DE ES FR GB IT NL SE
(30)
Priority:
02.02.1990
US 19900474171
02.02.1990
US 19900474415
02.02.1990
US 19900474416
(71)
Applicant:
THE DOW CHEMICAL COMPANY
Midland, Michigan 48640 (US)
(72)
Inventor:
GKOGKIDIS, Antonios
NL-4532 LH Terneuzen (NL)
(74)
Representative:
Raynor, John, et al
W.H. Beck, Greener & Co 7 Stone Buildings Lincoln's Inn
London WC2A 3SZ
London WC2A 3SZ (GB)
(54)
STYRENIC COPOLYMER BLEND COMPOSITIONS HAVING IMPROVED COLOR STABILITY