AR016867A1 - Estructuras de barrera permeables al aire, impermeables al liquido, y productos hechos a partir de las mismas - Google Patents
Estructuras de barrera permeables al aire, impermeables al liquido, y productos hechos a partir de las mismasInfo
- Publication number
- AR016867A1 AR016867A1 ARP980104190A ARP980104190A AR016867A1 AR 016867 A1 AR016867 A1 AR 016867A1 AR P980104190 A ARP980104190 A AR P980104190A AR P980104190 A ARP980104190 A AR P980104190A AR 016867 A1 AR016867 A1 AR 016867A1
- Authority
- AR
- Argentina
- Prior art keywords
- liquid
- porous layer
- air
- porous
- substrate
- Prior art date
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
- A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer 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
- A61F13/51—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
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
-
- 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
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
- A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
- A61F13/5146—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable having apertures of perforations
-
- 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
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
- A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
- A61F13/51462—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable being defined by a value or parameter
-
- 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
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- 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
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- 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
- A61L15/425—Porous materials, e.g. foams or sponges
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dermatology (AREA)
- Dispersion Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Laminated Bodies (AREA)
Abstract
La presente provee una estructura de barrera permeable al aire, substancialmente impermeable al líquido y productos hechos a partir de la misma, tales comotoallas sanitarias, forros para pantaleta, productos para incontinencia y panales; laestructur a de barrera tiene una capa porosa que tiene lados opuestos,teniendo la capa porosa un substrato poroso que tienen poros que se extienden entre los lados opuestos que corresponden a los lados opuestos de la capa porosa,de manera que unlíquido pueda atravesar el substrato; y partículas que están fundidas a al menos un lado del substrato poroso, de manera que restrinjan laentrada del líquido a los poros; en donde la capa porosa resiste la penetracion del líquido cuando estácontenida en una estru ctura absorbente que queda encimadel lado de la capa porosa al que están fundidas las partículas, y está bajo una carga de 0,07 kg/cm2; y en donde la capa porosa tiene un valor Frazier depermeabilidad al aire en la escala demás de 0 hasta alrededor de 861 mm3/m2/minuto; se distingue la estructura de barrera permeable al aire, substancialmenteimpermeable al líquido, por tener las partículas que están fundidas al subtrato poroso que están predominantemente sobre lasuperficie del subtrato poroso, enlugar de estar mezcladas con, y penetrar en la profundidad de los materiales que componen el substrato poroso.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/917,987 US6277104B1 (en) | 1997-08-25 | 1997-08-25 | Air permeable, liquid impermeable barrier structures and products made therefrom |
Publications (1)
Publication Number | Publication Date |
---|---|
AR016867A1 true AR016867A1 (es) | 2001-08-01 |
Family
ID=25439608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP980104190A AR016867A1 (es) | 1997-08-25 | 1998-08-24 | Estructuras de barrera permeables al aire, impermeables al liquido, y productos hechos a partir de las mismas |
Country Status (17)
Country | Link |
---|---|
US (1) | US6277104B1 (es) |
EP (1) | EP0900571B1 (es) |
JP (1) | JPH11128272A (es) |
CN (1) | CN1321624C (es) |
AR (1) | AR016867A1 (es) |
AT (1) | ATE284228T1 (es) |
AU (1) | AU757223B2 (es) |
BR (1) | BR9803225A (es) |
CA (1) | CA2245335C (es) |
CO (1) | CO5060473A1 (es) |
CZ (1) | CZ269298A3 (es) |
DE (1) | DE69828002T2 (es) |
ES (1) | ES2234054T3 (es) |
HU (1) | HUP9801909A1 (es) |
SG (1) | SG79990A1 (es) |
TW (1) | TW412416B (es) |
ZA (1) | ZA987643B (es) |
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SE500896C2 (sv) * | 1989-12-21 | 1994-09-26 | Moelnlycke Ab | Elastiskt materialstycke innefattande absorberande material samt förfarande för tillverkning av detta |
US5370132A (en) * | 1990-11-20 | 1994-12-06 | Kimberly-Clark Corporation | Repellent-treated, barrier-coated nonwoven web |
HU214348B (hu) * | 1991-07-23 | 1998-03-30 | Procter And Gamble Co. | Javított folyadékelosztó képességű abszorbens cikkek, különösen egészségügyi betétek |
US5730739A (en) * | 1991-10-01 | 1998-03-24 | The Procter & Gamble Company | Absorbent article having a unitary release material joined to each side flap |
CA2080307A1 (en) * | 1991-10-16 | 1993-04-17 | Walter E. Schortmann | Nonporous breathable barrier fabrics and related methods of manufacture |
GB9311946D0 (en) * | 1993-06-10 | 1993-07-28 | Univ Manchester | Improvements in or relating to materials |
SE501890C2 (sv) * | 1993-10-15 | 1995-06-12 | Moelnlycke Ab | Höljeslaminat till ett absorberande alster, förfarande för framställning av höljeslaminatet jämte absorberande alster innehållande dylikt höljeslaminat |
US5591510A (en) | 1994-06-14 | 1997-01-07 | Tredegar Industries, Inc. | Layered fabric material having angled capillaries |
EP0705583A1 (en) * | 1994-10-07 | 1996-04-10 | The Procter & Gamble Company | Flexible and water vapour permeable absorbent articles and their fixation to undergarments |
CA2226485C (en) * | 1995-07-10 | 2002-09-10 | Japan Absorbent Technology Institute | Porous composite sheet and process for the production thereof |
-
1997
- 1997-08-25 US US08/917,987 patent/US6277104B1/en not_active Expired - Lifetime
-
1998
- 1998-08-14 AU AU79999/98A patent/AU757223B2/en not_active Ceased
- 1998-08-18 JP JP10246512A patent/JPH11128272A/ja active Pending
- 1998-08-19 CA CA002245335A patent/CA2245335C/en not_active Expired - Lifetime
- 1998-08-24 HU HU9801909A patent/HUP9801909A1/hu unknown
- 1998-08-24 EP EP98115920A patent/EP0900571B1/en not_active Expired - Lifetime
- 1998-08-24 AT AT98115920T patent/ATE284228T1/de active
- 1998-08-24 AR ARP980104190A patent/AR016867A1/es active IP Right Grant
- 1998-08-24 ZA ZA9807643A patent/ZA987643B/xx unknown
- 1998-08-24 CZ CZ982692A patent/CZ269298A3/cs unknown
- 1998-08-24 ES ES98115920T patent/ES2234054T3/es not_active Expired - Lifetime
- 1998-08-24 DE DE69828002T patent/DE69828002T2/de not_active Expired - Lifetime
- 1998-08-25 BR BR9803225-9A patent/BR9803225A/pt not_active IP Right Cessation
- 1998-08-25 CO CO98048515A patent/CO5060473A1/es unknown
- 1998-08-25 CN CNB981186955A patent/CN1321624C/zh not_active Expired - Fee Related
- 1998-08-25 SG SG9803292A patent/SG79990A1/en unknown
- 1998-09-09 TW TW087113938A patent/TW412416B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0900571A2 (en) | 1999-03-10 |
EP0900571B1 (en) | 2004-12-08 |
BR9803225A (pt) | 2000-01-11 |
JPH11128272A (ja) | 1999-05-18 |
DE69828002T2 (de) | 2005-11-24 |
ZA987643B (en) | 2000-02-24 |
HUP9801909A1 (hu) | 1999-10-28 |
CZ269298A3 (cs) | 1999-03-17 |
AU7999998A (en) | 1999-03-04 |
ES2234054T3 (es) | 2005-06-16 |
ATE284228T1 (de) | 2004-12-15 |
CA2245335C (en) | 2008-02-12 |
CO5060473A1 (es) | 2001-07-30 |
US6277104B1 (en) | 2001-08-21 |
CN1209312A (zh) | 1999-03-03 |
TW412416B (en) | 2000-11-21 |
CN1321624C (zh) | 2007-06-20 |
CA2245335A1 (en) | 1999-02-25 |
DE69828002D1 (de) | 2005-01-13 |
AU757223B2 (en) | 2003-02-06 |
HU9801909D0 (en) | 1998-10-28 |
EP0900571A3 (en) | 2000-10-11 |
SG79990A1 (en) | 2001-04-17 |
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FG | Grant, registration |