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Photocrosslinked innerlayer
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Patent number 4,121,985
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Issue date Oct 24, 1978
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PPG Industries, Inc.
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Joseph Cherenko
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyurethane laminates
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Patent number 3,971,864
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Issue date Jul 27, 1976
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PPG Industries, Inc.
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William R. Beestrice
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B32 - LAYERED PRODUCTS
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Antenna windshield
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Patent number 3,958,245
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Issue date May 18, 1976
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PPG Industries, Inc.
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Joseph P. Cherenko
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B32 - LAYERED PRODUCTS