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US 4,713,289 AGranted
Water-dispersible synthetic fiber
AssigneeE. I. Du Pont de Nemours and Company
InventorDonald A. Shiffler
Life of this patent
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Abstract
Water-dispersible synthetic fiber of cruciform cross-section to promote dispersibility, and so better uniformity, more opacity, good permeability and an attractive flannel-like hand to the resulting wet-laid fabrics.
Claims9
Water-dispersible polyester fiber provided with a water-dispersing coating in sufficient amount to render the fiber water-dispersible, characterized in that the fibers are of cruciform cross-section.
Dependencies are inferred from the claim text.