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Junichi Yoshida
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Iwakuni, JP
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last 30 patents
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Patent Grant
Process for producing ethylene copolymer by gaseous phase copolymer...
Patent number
4,525,547
Issue date
Jun 25, 1985
Mitsui Petrochemical Industries Ltd.
Akifumi Kato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for multi-step gaseous phase polymerization of olefins
Patent number
4,420,592
Issue date
Dec 13, 1983
Mitsui Petrochemical Industries Ltd.
Akifumi Kato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...