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Issue date Jan 20, 1998
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Mitsui Toatsu Chemicals, Inc.
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Polyimide intermediates
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Patent number 5,631,377
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Issue date May 20, 1997
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Mitsui Toatsu Chemicals, Inc.
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Patent number 5,494,996
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Issue date Feb 27, 1996
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Mitsui Toatsu Chemicals Inc.
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyimide
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Patent number 5,484,880
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Issue date Jan 16, 1996
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Mitsui Toatsu Chemicals, Inc.
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Patent number 5,470,943
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Issue date Nov 28, 1995
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Mitsui Toatsu Chemicals, Inc.
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