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Multi-layer pipe
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Patent number 5,842,505
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Issue date Dec 1, 1998
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Mitsui Petrochemical Industries, Ltd.
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Shin Tokui
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B32 - LAYERED PRODUCTS
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Random 1-butene/ethylene copolymer
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Patent number 5,385,998
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Issue date Jan 31, 1995
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Mitsui Petrochemical Industries, Ltd.
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Masaki Kohyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Random 1-butene/ethylene copolymer
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Patent number 5,336,747
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Issue date Aug 9, 1994
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Mitsui Petrochemical Industries, Ltd.
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Masaki Kohyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Ethylene/pentene-1 copolymer compositions
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Patent number 5,260,382
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Issue date Nov 9, 1993
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Mitsui Petrochemical Industries, Ltd.
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Masaki Kohyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Random 1-butene copolymer
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Patent number 4,801,672
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Issue date Jan 31, 1989
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Mitsui Petrochemical Industries, Ltd.
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Masaki Kohyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Random 1-butene/ethylene copolymer
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Patent number 4,778,870
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Issue date Oct 18, 1988
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Mitsui Petrochemical Industries, Ltd.
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Masaki Kohyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Crystalline 1-butene polymer composition
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Patent number 4,727,112
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Issue date Feb 23, 1988
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Shell Oil Company
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Masaki Kohyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Crystalline 1-butene polymer composition
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Patent number 4,727,113
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Issue date Feb 23, 1988
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Shell Oil Company
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Masaki Kohyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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