WO2012040315A4 - Disposable absorbent article - Google Patents

Disposable absorbent article Download PDF

Info

Publication number
WO2012040315A4
WO2012040315A4 PCT/US2011/052535 US2011052535W WO2012040315A4 WO 2012040315 A4 WO2012040315 A4 WO 2012040315A4 US 2011052535 W US2011052535 W US 2011052535W WO 2012040315 A4 WO2012040315 A4 WO 2012040315A4
Authority
WO
WIPO (PCT)
Prior art keywords
topsheet
superabsorbent material
absorbent article
disposable absorbent
per square
Prior art date
Application number
PCT/US2011/052535
Other languages
French (fr)
Other versions
WO2012040315A1 (en
Inventor
Christopher Phillip Bewick-Sonntag
Ronald Dean Cramer
James A. Hatton
Original Assignee
The Procter & Gamble Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CA2812268A priority Critical patent/CA2812268A1/en
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to CN201180045263.9A priority patent/CN103118646B/en
Priority to KR1020137007046A priority patent/KR20130048258A/en
Priority to EP11761803.3A priority patent/EP2618793B1/en
Priority to MX2013003064A priority patent/MX2013003064A/en
Priority to BR112013004887A priority patent/BR112013004887A2/en
Priority to JP2012535465A priority patent/JP5133470B1/en
Priority to RU2013109777/12A priority patent/RU2552905C2/en
Priority to SG2013017116A priority patent/SG188452A1/en
Publication of WO2012040315A1 publication Critical patent/WO2012040315A1/en
Publication of WO2012040315A4 publication Critical patent/WO2012040315A4/en
Priority to ZA2013/01707A priority patent/ZA201301707B/en
Priority to IL225222A priority patent/IL225222A0/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F2013/4708—Panty-liner
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/5307—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the quantity or ratio of superabsorbent material

Abstract

A sanitary napkin is disclosed as a form of disposable absorbent article. It has an absorbent core and a hydrophobic topsheet that has an upper side that is to be worn against a user's body. The topsheet is selected from a group of nonwoven topsheets and apertured film topsheets. A trace amount of a fibrous superabsorbent material, in the range of 0.30 and 3.5 grams of superabsorbent material per square meter, is provided in a fibrous matrix in a secondary topsheet that is in intimate contact with the lower side of the topsheet. The fibrous matrix is made by airlaying the superabsorbent material with cellulose and bi-component fiber onto a non-woven carrier.

Claims

AMENDED CLAIMS received by the International Bureau on 21 March 2012 (21.03.2012) CLAIMS
1. A disposable absorbent article comprising:
a hydrophobic nonwoven or film topsheet (14) that has an upper side that is worn against a user's body and a lower side;
an absorbent core (18); and
a secondary topsheet (20) that:
(a) is positioned between the absorbent core (18) and the topsheet (14),
(b) has a basis weight of 40-80 grams per square meter of surface area, and
(c) contains a mixture of cellulose, bi-component fiber, and between 0.30 and 1.5 grams per square meter of fibrous superabsorbent material air-laid onto a nonwoven carrier, the superabsorbent material being in intimate contact with the lower side of the topsheet (14).
2. A disposable article as recited in claim 1 , in which the disposable absorbent article is selected from the group consisting of sanitary napkins and pantiliners.
PCT/US2011/052535 2010-09-21 2011-09-21 Disposable absorbent article WO2012040315A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
BR112013004887A BR112013004887A2 (en) 2010-09-21 2011-09-21 disposable absorbent article
CN201180045263.9A CN103118646B (en) 2010-09-21 2011-09-21 Disposable absorbent article
KR1020137007046A KR20130048258A (en) 2010-09-21 2011-09-21 Disposable absorbent article
EP11761803.3A EP2618793B1 (en) 2010-09-21 2011-09-21 Disposable absorbent article
MX2013003064A MX2013003064A (en) 2010-09-21 2011-09-21 Disposable absorbent article.
CA2812268A CA2812268A1 (en) 2010-09-21 2011-09-21 Disposable absorbent article
JP2012535465A JP5133470B1 (en) 2010-09-21 2011-09-21 Disposable absorbent article
RU2013109777/12A RU2552905C2 (en) 2010-09-21 2011-09-21 Disposable absorbing product
SG2013017116A SG188452A1 (en) 2010-09-21 2011-09-21 Disposable absorbent article
ZA2013/01707A ZA201301707B (en) 2010-09-21 2013-03-06 Disposable absorbent article
IL225222A IL225222A0 (en) 2010-09-21 2013-03-14 Disposable absorbent article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38513010P 2010-09-21 2010-09-21
US61/385,130 2010-09-21

Publications (2)

Publication Number Publication Date
WO2012040315A1 WO2012040315A1 (en) 2012-03-29
WO2012040315A4 true WO2012040315A4 (en) 2012-05-18

Family

ID=44720188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/052535 WO2012040315A1 (en) 2010-09-21 2011-09-21 Disposable absorbent article

Country Status (14)

Country Link
US (1) US8969652B2 (en)
EP (1) EP2618793B1 (en)
JP (2) JP5133470B1 (en)
KR (1) KR20130048258A (en)
CN (1) CN103118646B (en)
BR (1) BR112013004887A2 (en)
CA (1) CA2812268A1 (en)
CL (1) CL2013000754A1 (en)
IL (1) IL225222A0 (en)
MX (1) MX2013003064A (en)
RU (1) RU2552905C2 (en)
SG (1) SG188452A1 (en)
WO (1) WO2012040315A1 (en)
ZA (1) ZA201301707B (en)

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Also Published As

Publication number Publication date
JP5133470B1 (en) 2013-01-30
WO2012040315A1 (en) 2012-03-29
JP2013508098A (en) 2013-03-07
EP2618793B1 (en) 2018-01-10
BR112013004887A2 (en) 2017-11-21
CN103118646A (en) 2013-05-22
CA2812268A1 (en) 2012-03-29
CN103118646B (en) 2016-03-09
RU2552905C2 (en) 2015-06-10
IL225222A0 (en) 2013-06-27
JP2012228517A (en) 2012-11-22
RU2013109777A (en) 2014-10-27
ZA201301707B (en) 2014-08-27
US8969652B2 (en) 2015-03-03
KR20130048258A (en) 2013-05-09
SG188452A1 (en) 2013-04-30
EP2618793A1 (en) 2013-07-31
MX2013003064A (en) 2013-05-30
CL2013000754A1 (en) 2013-08-30
US20120071847A1 (en) 2012-03-22

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