ES2008819A6 - Estructuras absorbentes de agua. - Google Patents

Estructuras absorbentes de agua.

Info

Publication number
ES2008819A6
ES2008819A6 ES8802783A ES8802783A ES2008819A6 ES 2008819 A6 ES2008819 A6 ES 2008819A6 ES 8802783 A ES8802783 A ES 8802783A ES 8802783 A ES8802783 A ES 8802783A ES 2008819 A6 ES2008819 A6 ES 2008819A6
Authority
ES
Spain
Prior art keywords
water
insoluble
organic solvents
absorbent structures
component
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.)
Expired
Application number
ES8802783A
Other languages
English (en)
Inventor
Brook Michael Gordon
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.)
Fulmer Yarsley Ltd
Original Assignee
Fulmer Yarsley Ltd
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 Fulmer Yarsley Ltd filed Critical Fulmer Yarsley Ltd
Publication of ES2008819A6 publication Critical patent/ES2008819A6/es
Expired 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
    • 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
    • A61F13/00987—Apparatus or processes for manufacturing non-adhesive dressings or bandages
    • A61F13/00991—Apparatus or processes for manufacturing non-adhesive dressings or bandages for treating webs, e.g. for moisturising, coating, impregnating or applying powder
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/24998—Composite has more than two layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981—Plural void-containing components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249982—With component specified as adhesive or bonding agent

Abstract

SE REVELAN ESTRUCTURAS ABSORBENTES DE AGUA QUE ESTAN DESTINADAS A SER UTILIZADAS COMO VENDAJES PARA HERIDAS, PAÑALES DESECHABLES O APLICACIONES SIMILARES. LAS ESTRUCTURAS COMPRENDEN UN SUSTRATO POROSO FLEXIBLE, QUE SE IMPREGNA CON (A) UN MATERIAL HIGROSCOPICO SOLIDO E INSOLUBLE EN AGUA QUE TIENE UN PEQUEÑO TAMAÑO DE PARTICULA Y ES CAPAZ DE ABSORBER AL MENOS 30 VECES SU PESO DE AGUA Y (B) UN AGLOMERANTE HIDROFILO QUE RETIENE EL MATERIAL HIGROSCOPICO EN EL SUSTRATO Y COMPRENDE UN POLIMERO SUSTANCIALMENTE NO RETICULADO, INSOLUBLE EN AGUA Y FORMADO DE HIDROGEL. EL COMPONENTE (A) TIENE UNA ELEVADA AFINIDAD PARA EL AGUA DEBIDO A LA PRESENCIA DE GRUPOS HIDROFILOS EN EL POLIMERO, PERO ES INSOLUBLE EN AGUA Y EN LOS DISOLVENTES ORGANICOS COMUNES. EL COMPONENTE (B) ES TAMBIEN INSOLUBLE EN AGUA, PERO DEBIDO A SU ESTRUCTURA NO RETICULADA ES SOLUBLE EN LOS DISOLVENTES ORGANICOS COMUNES, TALES COMO EL ETANOL.
ES8802783A 1987-07-29 1988-07-29 Estructuras absorbentes de agua. Expired ES2008819A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878717949A GB8717949D0 (en) 1987-07-29 1987-07-29 Water absorbent structures

Publications (1)

Publication Number Publication Date
ES2008819A6 true ES2008819A6 (es) 1989-08-01

Family

ID=10621466

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8802783A Expired ES2008819A6 (es) 1987-07-29 1988-07-29 Estructuras absorbentes de agua.

Country Status (18)

Country Link
US (1) US4902565A (es)
EP (1) EP0301753A3 (es)
JP (1) JPH01118546A (es)
AU (1) AU2010988A (es)
BE (1) BE1000856A6 (es)
DE (1) DE3824682A1 (es)
DK (1) DK422388A (es)
ES (1) ES2008819A6 (es)
FR (1) FR2618696A1 (es)
GB (2) GB8717949D0 (es)
GR (1) GR880100481A (es)
IT (1) IT8803552A0 (es)
LU (1) LU87302A1 (es)
NL (1) NL8801862A (es)
NO (1) NO883353L (es)
PT (1) PT88161A (es)
SE (1) SE8802722L (es)
ZA (1) ZA885522B (es)

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ES2073347A1 (es) * 1992-06-05 1995-08-01 Spenco Medical Corp Material hidrogel y su metodo de preparacion.

Also Published As

Publication number Publication date
EP0301753A3 (en) 1990-03-21
IT8803552A0 (it) 1988-07-27
GB8817305D0 (en) 1988-08-24
NO883353L (no) 1989-01-30
ZA885522B (en) 1989-04-26
AU2010988A (en) 1989-02-02
GR880100481A (el) 1989-04-12
LU87302A1 (fr) 1989-02-02
GB2207369B (en) 1991-04-17
DK422388D0 (da) 1988-07-28
NO883353D0 (no) 1988-07-28
DE3824682A1 (de) 1989-02-09
SE8802722D0 (sv) 1988-07-25
GB2207369A (en) 1989-02-01
DK422388A (da) 1989-01-30
FR2618696A1 (fr) 1989-02-03
BE1000856A6 (fr) 1989-04-18
SE8802722L (sv) 1989-01-30
JPH01118546A (ja) 1989-05-11
PT88161A (pt) 1989-06-30
EP0301753A2 (en) 1989-02-01
GB8717949D0 (en) 1987-09-03
US4902565A (en) 1990-02-20
NL8801862A (nl) 1989-02-16

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