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Mitsubishi Gas Chemical Co Inc

Mitsubishi
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4908272A Gas-barrier multilayered structure Expired / Lapsed 1988-04-25 1990-03-13 16 Details
US4487791A Oxygen absorbent packaging Expired / Lapsed 1982-05-11 1984-12-11 3 Details
US4192773A Oxygen absorbent Expired / Lapsed 1978-08-17 1980-03-11 25 Details