IP Library › Granted Patent US 5,080,979
Granted Patent Utility
US 5,080,979 · App. 07/458,423

Release film composed of a laminate

Inventors: Hiromi Shigemoto, Mikio Katagiri
Patented Case View Patent ↗
Granted: Jan 14, 1992 Filed: Dec 28, 1989
Inventors
Hiromi Shigemoto
Mikio Katagiri
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.

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Quick Facts
Patent No.
US 5,080,979
App. No.
07/458,423
Filed
1989-12-28
Granted
1992-01-14
Kind
A