Absorbent towel paper web products comprising nano-filaments
First Claim
Patent Images
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.
0 Assignments
0 Petitions
Accused Products
Abstract
A differential density absorbent towel paper web comprising at least one ply. The differential density absorbent towel paper web has from about 45% to about 90% of a softwood pulp fiber mixture and from about 10% to about 55% of a hardwood pulp fiber mixture. The softwood pulp fiber mixture has from about 20% to about 89.9% of softwood pulp fibers; from about 0.05% to about 20% cellulose nanofilaments; and, from about 0.05% to about 5.0% of strengthening additive.
-
Citations
20 Claims
-
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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. 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 a blend of cellulose micro-filaments and cellulose nano-filaments, said blend of cellulose micro-filaments and cellulose nano-filaments comprising; A) at least about 40% by weight of said blend of cellulose micro-filaments and cellulose nano-filaments of cellulose micro-filaments and cellulose nano-filaments; B) at least about 10% by weight of said blend of cellulose micro-filaments and cellulose nano-filaments of intact fibrillated fibers; and C) at least about 5% by weight of said blend of cellulose micro-filaments and cellulose nano-filaments of cellulosic fines; and
,b) from about 0.05% to about 5.0% by weight of the dry fiber basis of said differential density absorbent towel paper web of a strengthening additive; and
,c) 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. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification