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Elastomeric coating compositions
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Patent number 4,692,382
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Issue date Sep 8, 1987
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PPG Industries, Inc.
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Robert J. Schmitt
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Thermally stable thickener
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Patent number 4,436,862
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Issue date Mar 13, 1984
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NL Industries, Inc.
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Marvin T. Tetenbaum
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Biomedical devices
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Patent number 4,284,506
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Issue date Aug 18, 1981
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NL Industries, Inc.
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Marvin T. Tetenbaum
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE