IP Library › Granted Patent US 5,281,453
Granted Patent Utility
US 5,281,453 · App. 07/639,334

Multilayer composites and easily openable containers

Inventors: Toyokazu Yamada, Masahiro Akamatsu
Patented Case View Patent ↗
Granted: Jan 25, 1994 Filed: Jan 10, 1991
Inventors
Toyokazu Yamada
Masahiro Akamatsu
Assignee (at issue)
Idemitsu Petrochemical Co., Ltd.

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Quick Facts
Patent No.
US 5,281,453
App. No.
07/639,334
Filed
1991-01-10
Granted
1994-01-25
Kind
A