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Tetraazaporphyrin monomers and polymers
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Patent number 5,200,481
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Issue date Apr 6, 1993
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Hoechst Celanese Corp.
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James R. Sounik
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Liquid crystalline polymer composites
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Patent number 4,828,888
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Issue date May 9, 1989
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Hoecast Celanese Corporation
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Alan Buckley
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Liquid crystalline composites
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Patent number 4,814,211
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Issue date Mar 21, 1989
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Hoechst Celanese Corporation
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Alan Buckley
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Liquid crystal devices
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Patent number 4,615,586
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Issue date Oct 7, 1986
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AT&T Bell Laboratories
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John M. Geary
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G02 - OPTICS
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Smectic liquid crystals
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Patent number 4,613,209
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Issue date Sep 23, 1986
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AT&T Bell Laboratories
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John W. Goodby
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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