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High softness, high durability bath tissues with temporary wet strength

US9309627B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9309627-B2
Application numberUS-201213548600-A
CountryUS
Kind codeB2
Filing dateJul 13, 2012
Priority dateJul 28, 2011
Publication dateApr 12, 2016
Grant dateApr 12, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A multi-ply bath tissue having no more than three plies and no fewer than two plies. The multi-ply tissue has a basis weight of from about 20 to about 35 lbs per 3000 sq foot ream and includes from about 3% to about 50% cellulosic microfiber, from about 50% to about 97% wood pulp fibers, has a geometric mean (GM) dry tensile of from about 17 to 80 g/3 in. per pound of basis weight, a cross-machine direction (CD) dry tensile of between about 30 to about 60 g/3 in. per pound of basis weight, and sufficient temporary wet strength resin to provide an initial Finch Cup CD wet tensile of from about 2.5 to about 20 g/3 in. per pound of basis weight. The initial Finch Cup CD wet tensile decays to less than 65% of the initial value in less than fifteen minutes after immersion in water. The product has a caliper of at least 5 mils per 8 sheets per pound of basis weight.

First claim

Opening claim text (preview).

We claim: 1. A multi-ply bath tissue having no more than three plies and no fewer than two plies, the multi-ply tissue having a basis weight of from about 20 to about 35 lbs per 3000 sq foot ream and comprising: (A) from about 3% to about 50% cellulosic microfiber; and (B) from about 50% to about 97% wood pulp fibers, the multi-ply bath tissue having: (a) a GM dry tensile of from about 17 to 80 g/3 in. per pound of basis weight; (b) a cross machine direction (CD) dry tensil…

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What does patent US9309627B2 cover?
A multi-ply bath tissue having no more than three plies and no fewer than two plies. The multi-ply tissue has a basis weight of from about 20 to about 35 lbs per 3000 sq foot ream and includes from about 3% to about 50% cellulosic microfiber, from about 50% to about 97% wood pulp fibers, has a geometric mean (GM) dry tensile of from about 17 to 80 g/3 in. per pound of basis weight, a cross-mach…
Who is the assignee on this patent?
Miller Joseph H, Sumnicht Daniel W, Oriaran T Philips, and 4 more
What technology area does this patent fall under?
Primary CPC classification D21H27/002. Mapped technology areas include Textiles & Paper.
When was this patent published?
Publication date Tue Apr 12 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).