Pillows and other filled articles and in their filling materials
AssigneeE. I. Du Pont de Nemours and Company
InventorsIsmael Antonio Hernandez, William Jonas Jones, Jr., Darren Scott Quinn
Life of this patent
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Abstract
Pillows and other filled articles are filled with bicomponent polyester fibers that have "spiral crimp" on account of a difference in chain-branched content of the polyester polymers of the components. Such bicomponent fibers are preferably novel "spiral crimp" bicomponent fibers that are hollow and/or are slickened.
Claims13
Filled articles filled with filling material, said filling material comprising at least 10% by weight of bicomponent polyester fiberfill fibers of helical configuration that has resulted from a difference between chain-branched contents of polyester components of said bicomponent polyester fiberfill fibers.
Dependencies are inferred from the claim text.