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Absorbent towel paper web products comprising nano-filaments

  • US 10,687,675 B2
  • Filed: 09/30/2019
  • Issued: 06/23/2020
  • Est. Priority Date: 07/01/2016
  • Status: Active Grant
First Claim
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1. A differential density absorbent towel paper web comprising at least one ply, said differential density absorbent towel paper web comprising:

  • a) from about 45% to about 90% by weight of the dry fiber basis of said differential density absorbent towel paper web of a softwood pulp fiber mixture, said softwood pulp fiber mixture comprising;

    1) from about 20% to about 89.9% by weight of the dry fiber basis of said differential density absorbent towel paper web of softwood pulp fibers;

    2) from about 0.05% to about 20% by weight of the dry fiber basis of said differential density absorbent towel paper web of cellulose nanofilaments; and

    ,3) from about 0.05% to about 5.0% by weight of the dry fiber basis of said differential density absorbent towel paper web of strengthening additive; and

    ,b) from about 10% to about 55% by weight of the dry fiber basis of said differential density absorbent towel paper web of a hardwood pulp fiber mixture.

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