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Polyester filaments, yarns and tows
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Patent number 5,261,472
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Issue date Nov 16, 1993
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E. I. Du Pont de Nemours and Company
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Benjamin H. Knox
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Process of making mixed shrinkage yarn
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Patent number 5,223,198
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Issue date Jun 29, 1993
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E. I. Du Pont de Nemours and Company
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Hans R. E. Frankfort
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Process of making mixed filament yarn
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Patent number 5,223,197
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Issue date Jun 29, 1993
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E. I. Du Pont de Nemours and Company
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Raymond L. Boles
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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