EP2525757A4 - Water-absorbent article - Google Patents

Water-absorbent article

Info

Publication number
EP2525757A4
EP2525757A4 EP12730353.5A EP12730353A EP2525757A4 EP 2525757 A4 EP2525757 A4 EP 2525757A4 EP 12730353 A EP12730353 A EP 12730353A EP 2525757 A4 EP2525757 A4 EP 2525757A4
Authority
EP
European Patent Office
Prior art keywords
water
absorbent article
absorbent
article
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP12730353.5A
Other languages
German (de)
French (fr)
Other versions
EP2525757A1 (en
Inventor
Kenichi Sasayama
Makoto Ichikawa
Kunihiko Katsuragawa
Kazuaki Onishi
Masashi Nakashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
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
Application filed by Unicharm Corp filed Critical Unicharm Corp
Publication of EP2525757A1 publication Critical patent/EP2525757A1/en
Publication of EP2525757A4 publication Critical patent/EP2525757A4/en
Withdrawn legal-status Critical Current

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
    • A61F13/53—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
    • A61F13/531—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 a homogeneous composition through the thickness of the pad
    • A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/5323—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having absorbent material located in discrete regions, e.g. pockets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/58—Adhesives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • 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
    • 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
    • A61F2013/53051—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 being only in particular parts or specially arranged
    • A61F2013/530547—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 being only in particular parts or specially arranged positioned in a separate layer or layers
    • A61F2013/530554—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 being only in particular parts or specially arranged positioned in a separate layer or layers and being fixed to a web

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
EP12730353.5A 2011-03-31 2012-03-29 Water-absorbent article Withdrawn EP2525757A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011080894A JP5818483B2 (en) 2011-03-31 2011-03-31 Water-absorbing articles
PCT/JP2012/002204 WO2012132460A1 (en) 2011-03-31 2012-03-29 Water-absorbent article

Publications (2)

Publication Number Publication Date
EP2525757A1 EP2525757A1 (en) 2012-11-28
EP2525757A4 true EP2525757A4 (en) 2014-08-20

Family

ID=46930230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12730353.5A Withdrawn EP2525757A4 (en) 2011-03-31 2012-03-29 Water-absorbent article

Country Status (5)

Country Link
EP (1) EP2525757A4 (en)
JP (1) JP5818483B2 (en)
AR (1) AR085729A1 (en)
TW (1) TWI603720B (en)
WO (1) WO2012132460A1 (en)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1911425B1 (en) 2003-02-12 2014-01-15 The Procter and Gamble Company Absorbent core for an absorbent article
ES2314137T3 (en) 2003-02-12 2009-03-16 THE PROCTER & GAMBLE COMPANY COMFORTABLE diaper.
EP2478883B1 (en) 2007-06-18 2016-04-06 The Procter & Gamble Company Disposable absorbent article with substantially continuously distributed absorbent particulate polymer material and method
DE112008000011B4 (en) 2007-06-18 2013-11-28 The Procter & Gamble Company Disposable absorbent articles and their use
CA2722538C (en) 2008-04-29 2014-08-12 The Procter & Gamble Company Process for making an absorbent core with strain resistant core cover
EP2329803B1 (en) 2009-12-02 2019-06-19 The Procter & Gamble Company Apparatus and method for transferring particulate material
ES2459724T3 (en) 2011-06-10 2014-05-12 The Procter & Gamble Company Method and apparatus for making absorbent structures with absorbent material
CA2838951C (en) 2011-06-10 2019-07-16 The Procter & Gamble Company An absorbent core for disposable diapers comprising longitudinal channels
EP2532332B2 (en) 2011-06-10 2017-10-04 The Procter and Gamble Company Disposable diaper having reduced attachment between absorbent core and backsheet
EP2532329B1 (en) 2011-06-10 2018-09-19 The Procter and Gamble Company Method and apparatus for making absorbent structures with absorbent material
PH12013502578A1 (en) 2011-06-10 2014-02-10 Procter & Gamble Absorbent core for disposable absorbent articles
EP3266432B1 (en) 2011-06-10 2019-04-17 The Procter & Gamble Company Absorbent structure for absorbent articles
BR112013030593B1 (en) 2011-06-10 2021-02-17 The Procter & Gamble Company absorbent structure for absorbent articles
EP2919737B1 (en) 2012-11-13 2018-12-26 The Procter and Gamble Company Absorbent articles with channels and signals
US9216118B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels and/or pockets
US8979815B2 (en) 2012-12-10 2015-03-17 The Procter & Gamble Company Absorbent articles with channels
US9216116B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels
EP2740449B1 (en) 2012-12-10 2019-01-23 The Procter & Gamble Company Absorbent article with high absorbent material content
US10639215B2 (en) 2012-12-10 2020-05-05 The Procter & Gamble Company Absorbent articles with channels and/or pockets
EP2740452B1 (en) 2012-12-10 2021-11-10 The Procter & Gamble Company Absorbent article with high absorbent material content
EP2740450A1 (en) 2012-12-10 2014-06-11 The Procter & Gamble Company Absorbent core with high superabsorbent material content
DE202014011107U1 (en) 2013-06-14 2017-12-15 The Procter & Gamble Company When wet, channels forming absorbent article and absorbent core
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
RU2649546C2 (en) 2013-08-27 2018-04-03 Дзе Проктер Энд Гэмбл Компани Absorbent articles with channels
CA2924828C (en) 2013-09-16 2017-07-18 The Procter & Gamble Company Absorbent articles with channels and signals
US11207220B2 (en) 2013-09-16 2021-12-28 The Procter & Gamble Company Absorbent articles with channels and signals
EP2851048B1 (en) 2013-09-19 2018-09-05 The Procter and Gamble Company Absorbent cores having material free areas
JP6316575B2 (en) * 2013-11-27 2018-04-25 株式会社リブドゥコーポレーション Absorber and absorbent article having the same
JP6211412B2 (en) * 2013-12-13 2017-10-11 花王株式会社 Absorber
ES2606320T3 (en) 2013-12-19 2017-03-23 The Procter & Gamble Company Absorbent cores that have channel-forming areas and wrapping joints in c
US9789009B2 (en) 2013-12-19 2017-10-17 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator
EP2905001B1 (en) 2014-02-11 2017-01-04 The Procter and Gamble Company Method and apparatus for making an absorbent structure comprising channels
EP2949300B1 (en) 2014-05-27 2017-08-02 The Procter and Gamble Company Absorbent core with absorbent material pattern
US10507144B2 (en) 2015-03-16 2019-12-17 The Procter & Gamble Company Absorbent articles with improved strength
JP2018508292A (en) 2015-03-16 2018-03-29 ザ プロクター アンド ギャンブル カンパニー Absorbent article with improved core
WO2016183304A1 (en) 2015-05-12 2016-11-17 The Procter & Gamble Company Absorbent article with improved core-to-backsheet adhesive
US10543129B2 (en) 2015-05-29 2020-01-28 The Procter & Gamble Company Absorbent articles having channels and wetness indicator
EP3167859B1 (en) 2015-11-16 2020-05-06 The Procter and Gamble Company Absorbent cores having material free areas
EP3238676B1 (en) 2016-04-29 2019-01-02 The Procter and Gamble Company Absorbent core with profiled distribution of absorbent material
EP3238678B1 (en) 2016-04-29 2019-02-27 The Procter and Gamble Company Absorbent core with transversal folding lines
JP6416961B2 (en) * 2017-03-21 2018-10-31 大王製紙株式会社 Absorber
JP6254740B2 (en) * 2017-07-18 2017-12-27 大王製紙株式会社 Absorber manufacturing method and absorber manufacturing apparatus
JP6492145B1 (en) * 2017-09-29 2019-03-27 大王製紙株式会社 Absorbent articles
GB2574987B (en) * 2017-10-03 2022-07-27 Kao Corp Method for manufacturing absorbent body
WO2020210499A1 (en) * 2019-04-11 2020-10-15 Manna Pro Products, Llc Diapers for non-humans including sectioned absorbent core
JP7334056B2 (en) * 2019-04-26 2023-08-28 ユニ・チャーム株式会社 absorbent article

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093352A (en) * 1981-02-25 1982-09-02 Kao Corp Sanitary towel
US6068619A (en) * 1993-12-28 2000-05-30 Kao Corporation Crosslinked cellulose fibers, absorbent papers and absorbent members using the same, topsheets using the same, and absorbent articles using the same
WO2003051412A1 (en) * 2001-12-14 2003-06-26 Kimberly-Clark Worldwide, Inc. Absorbent materials having improved absorbent properties
WO2004011047A1 (en) * 2002-07-30 2004-02-05 Kimberly-Clark Worldwide, Inc. Superabsorbent materials with low gel-bed friction angles and composites made from the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2872851B2 (en) 1991-01-25 1999-03-24 花王株式会社 Absorbent articles
JP3447951B2 (en) * 1998-04-09 2003-09-16 ユニ・チャーム株式会社 Disposable body fluid absorbent articles
JP5436737B2 (en) * 2001-05-15 2014-03-05 一般財団法人川村理化学研究所 Aqueous solution absorbent material and hygiene products
PL363038A1 (en) * 2002-02-04 2004-11-15 Nippon Shokubai Co, Ltd. Absorptive material, method for producing the same and absorptive article using the same
AU2004210275B2 (en) * 2003-02-10 2006-03-09 Nippon Shokubai Co., Ltd. Particulate water absorbent containing water absorbent resin as a main component
JP4502586B2 (en) * 2003-03-12 2010-07-14 株式会社リブドゥコーポレーション Disposable absorbent article
JP2006055833A (en) * 2004-03-29 2006-03-02 Nippon Shokubai Co Ltd Particulate water absorbing agent with water-absorbing resin as main component
JP2005334616A (en) * 2004-04-30 2005-12-08 Sumitomo Seika Chem Co Ltd Absorber and absorptive article using the same
JP4494255B2 (en) * 2005-03-07 2010-06-30 大王製紙株式会社 Absorbent articles
JP4925867B2 (en) * 2006-03-03 2012-05-09 花王株式会社 Absorbent articles
JP5072557B2 (en) 2007-11-30 2012-11-14 花王株式会社 Absorbent articles
JP2011080894A (en) 2009-10-08 2011-04-21 Ihi Corp Unbalance measuring apparatus, standard vibration exciter and unbalance measuring method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093352A (en) * 1981-02-25 1982-09-02 Kao Corp Sanitary towel
US6068619A (en) * 1993-12-28 2000-05-30 Kao Corporation Crosslinked cellulose fibers, absorbent papers and absorbent members using the same, topsheets using the same, and absorbent articles using the same
WO2003051412A1 (en) * 2001-12-14 2003-06-26 Kimberly-Clark Worldwide, Inc. Absorbent materials having improved absorbent properties
WO2004011047A1 (en) * 2002-07-30 2004-02-05 Kimberly-Clark Worldwide, Inc. Superabsorbent materials with low gel-bed friction angles and composites made from the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012132460A1 *

Also Published As

Publication number Publication date
WO2012132460A1 (en) 2012-10-04
JP5818483B2 (en) 2015-11-18
TWI603720B (en) 2017-11-01
AR085729A1 (en) 2013-10-23
EP2525757A1 (en) 2012-11-28
JP2012213516A (en) 2012-11-08
TW201302171A (en) 2013-01-16

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