EP 0914245 A4 20010912 - OPAQUE FILMS COMPRISING ISOTACTIC POLYPROPYLENE
Title (en)
OPAQUE FILMS COMPRISING ISOTACTIC POLYPROPYLENE
Title (de)
OPAKER FILM MIT ISOTAKTISCHEN POLYPROPYLEN
Title (fr)
FILMS OPAQUES COMPORTANT DU POLYPROPYLENE ISOTACTIQUE
Publication
Application
Priority
- US 9712995 W 19970723
- US 69062096 A 19960731
Abstract (en)
[origin: WO9804403A1] An opaque polymeric film having enhanced moisture barrier and mechanical properties. The film has a base layer which includes a blend of a high crystallinity polypropylene having an isotactic stereoregularity greater than 93 % and a cavitating agent in an amount effective to cavitate the base layer.
IPC 1-7
IPC 8 full level
B32B 5/18 (2006.01); B32B 27/32 (2006.01); C08J 5/18 (2006.01); C08J 9/00 (2006.01); C08L 23/12 (2006.01); C08L 67/00 (2006.01); C08L 77/00 (2006.01)
CPC (source: EP KR US)
B32B 5/18 (2013.01 - KR); B32B 7/12 (2013.01 - US); B32B 27/08 (2013.01 - US); B32B 27/205 (2013.01 - US); B32B 27/32 (2013.01 - EP US); C08J 5/18 (2013.01 - EP); C08L 23/12 (2013.01 - EP); B32B 2270/00 (2013.01 - US); B32B 2307/41 (2013.01 - US); B32B 2307/7265 (2013.01 - US); B32B 2323/10 (2013.01 - US); B32B 2439/70 (2013.01 - US); C08J 2323/12 (2013.01 - EP); C08L 67/00 (2013.01 - EP); C08L 77/00 (2013.01 - EP)
Citation (search report)
- [Y] WO 9414606 A1 19940707 - MOBIL OIL CORP [US]
- [Y] US 5500282 A 19960319 - HEFFELFINGER MICHAEL T [US], et al
- [Y] US 5441807 A 19950815 - BRANDT RAINER [DE], et al
- [Y] US 4944990 A 19900731 - LIU LELAND L [US], et al
- [Y] US 5231126 A 19930727 - SHI GUAN-YI [CN], et al
- [Y] EP 0221690 A2 19870513 - MOBIL OIL CORP [US]
- [E] WO 9802305 A1 19980122 - MOBIL OIL CORP [US]
- [E] EP 0826728 A2 19980304 - BASF AG [DE]
- [PXPA] WO 9633864 A1 19961031 - MOBIL OIL CORP [US]
- [E] WO 9838041 A1 19980903 - MOBIL OIL CORP [US]
- [Y] DATABASE WPI Section Ch Week 197420, Derwent World Patents Index; Class A17, AN 1974-37149V, XP002167290
- See references of WO 9804403A1
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9804403 A1 19980205; AR 008138 A1 19991209; AU 3892997 A 19980220; AU 712306 B2 19991104; BR 9710775 A 20020305; CA 2262081 A1 19980205; CA 2262081 C 20060103; CN 1226854 A 19990825; EP 0914245 A1 19990512; EP 0914245 A4 20010912; ID 17972 A 19980212; JP 2001525737 A 20011211; KR 20000029693 A 20000525; TW 339312 B 19980901
DOCDB simple family (application)
US 9712995 W 19970723; AR P970103485 A 19970731; AU 3892997 A 19970723; BR 9710775 A 19970723; CA 2262081 A 19970723; CN 97196866 A 19970723; EP 97936197 A 19970723; ID 972676 A 19970731; JP 50897898 A 19970723; KR 19997000772 A 19990129; TW 86110950 A 19970821