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EP0172420A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Product for absorbing body fluids

Assignee: Kenvue Brands LLC
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Filing: 1985-07-19
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Granted: —
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Expires: 2005-07-19
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Abstract

Abstract A facing is provided for a body fluid absorbent product which facing is not only substantially nonwettable and pervious to body fluid, but which also enhances the clean and dry appearance of the product after it has absorbed body fluids. The facing comprises a polyolefin having an open area of from about 1.3 to about 35 percent of the total area intended for the passage of body fluids and having incorporated therein a sufficient quantity of opacifying agent so as to have the sheet exhibit a brightness of at least 45 percent.

Inventors

  • 👤 Edmund Z. Derossett
  • 👤 Thomas J. Luceri

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 03:36
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/511; A61F13/512; A61F13/51113; A61F13/84; A61F13/8405; A61L; A61L15/00; A61L15/16; A61L15/18; A61L15/22; A61L15/24; A61F2013/51002; A61F2013/51038; A61F2013/51042

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 83 words
In a product for absorbing body fluids, a facing comprising a continuous sheet comprising a polyolefin selected for the group consisting of polyethylene, polypropylene or copolymers thereof; said sheet having apertures therethrough allowing for the passage of body fluids, the open area of said apertures comprising from about 1.3 to about 35 percent of the total area intended for the passage of body fluids; said sheet further comprising a sufficient quantity of opacifying agent to exhibit a brightness of at least about 45.
Claim 2
Dependent Claim 83 words
In a product for absorbing body fluids, a facing comprising a continuous sheet comprising a polyolefin selected for the group consisting of polyethylene, polypropylene or copolymers thereof; said sheet having apertures therethrough allowing for the passage of body fluids, the open area of said apertures comprising from about 1.3 to about 35 percent of the total area intended for the passage of body fluids; said sheet further comprising a sufficient quantity of opacifying agent to exhibit a brightness of at least about 45.
Claim 3
Dependent Claim 24 words
The product of claim 1 wherein the sheet comprises a sufficient quantity of opacifying agent to exhibit a brightness of at least about 48.
Claim 4
Dependent Claim 15 words
The product of claim 1 wherein the sheet comprises, as the opacifying agent, titanium dioxide.
Claim 5
Dependent Claim 30 words
The product of claim 3 wherein the titanium dioxide is present in the sheet in a quantity of from about 5 to about 12 percent, by weight of the sheet.
Claim 6
Dependent Claim 30 words
The product of claim 4 wherein the titanium dioxide is present in the sheet in a quantity of from about 7 to about 12 percent, by weight, of the sheet.
Claim 7
Dependent Claim 30 words
The product of claim 1 wherein said sheet is a net-like material comprising land areas connected by rib-like strands, said land areas and said rib-like strands defining therebetween said apertures.
Claim 8
Dependent Claim 36 words
The product of claim 1 wherein said sheet further comprises a minor portion of an aryl group containing polymer, said aryl croup containing polymer present in a quantity of not more than 40 percent by weight.
Claim 9
Dependent Claim 24 words
The product of claim 7 wherein said aryl group containing polymer is present in a quantity of not more than 20 percent by weight.
Claim 10
Dependent Claim 13 words
The product of claim 7 wherein said aryl group containing polymers is polystyrene.
Claim 11
Dependent Claim 17 words
The product of claim 1 wherein said open area comprises from about 15 to about 35 percent.
Claim 12
Dependent Claim 9 words
The product of claim 1 as a sanitary napkin.
Claim 13
Dependent Claim 9 words
The product of claim 1 as a disposable diaper.
Claim 14
Dependent Claim 9 words
The product of claim 1 as a wound dressing.

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