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US 7,678,230 B2Granted
Environmentally sustainable multiple ply paper product
AssigneeKimberly-Clark Worldwide, Inc.
InventorsThomas Gerard Shannon, Benjamin Joseph Kruchoski
Life of this patent
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Abstract
The present disclosure is generally directed to a multiple ply paper product which includes a first ply comprising virgin fiber, pre-consumer recycled fiber, or mixtures thereof and a second ply comprising at least about 30% by weight post-consumer recycled fiber, wherein the average pore size distribution of the first ply is greater than the average pore size distribution of the second ply.
Claims19
A multiple ply paper product comprising:
- a first ply comprising virgin fiber, pre-consumer recycled fiber, or mixtures thereof;
- a second ply comprising at least about 30% by weight post-consumer recycled fiber;
- and
- a third ply comprising virgin fiber, pre-consumer recycled fiber, or mixtures thereof, wherein the average pore size distribution of said first ply is greater than the average pore size distribution of said second ply and the average pore size distribution of said third ply.
1 more element
A process for producing a multiple ply paper product comprising:
- forming a first ply paper web comprising at least about 30% by weight post-consumer recycled fiber;
- joining said first ply paper web to a second ply paper web comprising virgin fiber, pre-consumer recycled fiber, or mixtures thereof, wherein the average pore size distribution of said first ply is greater than the average pore size distribution of said second ply;
- and
- joining said first ply paper web to a third ply paper web comprising virgin fiber, pre-consumer recycled fiber, or mixtures thereof, wherein the average pore size distribution of said first ply is greater than the average pore size distribution of said third ply.
1 more element
Dependencies are inferred from the claim text.