IP Library › Granted Patent US 5,277,988
Granted Patent Utility
US 5,277,988 · App. 07/826,666

Easily openable heat seal material

Inventors: Masahiro Sugi, Takasi Nakagawa
Patented Case View Patent ↗
Granted: Jan 11, 1994 Filed: Jan 29, 1992
Inventors
Masahiro Sugi
Takasi Nakagawa
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.

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Quick Facts
Patent No.
US 5,277,988
App. No.
07/826,666
Filed
1992-01-29
Granted
1994-01-11
Kind
A