DK152248B - Absorberende genstand, saasom engangsble og hygiejnebind - Google Patents
Absorberende genstand, saasom engangsble og hygiejnebind Download PDFInfo
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- DK152248B DK152248B DK173077AA DK173077A DK152248B DK 152248 B DK152248 B DK 152248B DK 173077A A DK173077A A DK 173077AA DK 173077 A DK173077 A DK 173077A DK 152248 B DK152248 B DK 152248B
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- 230000002745 absorbent Effects 0.000 title claims description 33
- 239000002250 absorbent Substances 0.000 title claims description 33
- 239000000463 material Substances 0.000 claims description 47
- 239000000416 hydrocolloid Substances 0.000 claims description 32
- 239000012530 fluid Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 2
- 210000001124 body fluid Anatomy 0.000 description 16
- 239000010839 body fluid Substances 0.000 description 16
- 229920002678 cellulose Polymers 0.000 description 6
- 239000001913 cellulose Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 101100372509 Mus musculus Vat1 gene Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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
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- 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
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- 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
- A61F13/535—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
- A61F13/536—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
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- 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
- A61F13/53704—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 the layer having an inhibiting function on liquid propagation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- 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
- A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
- A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
-
- 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
-
- 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
- A61F2013/53765—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 characterized by its geometry
- A61F2013/53782—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 characterized by its geometry with holes
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24562—Interlaminar spaces
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Laminated Bodies (AREA)
Description
i
DK 152248B
Den foreliggende opfindelse angår en absorberende genstand af den i krav l's indledning angivne art.
Der kendes mange absorberende genstande, såsom éngangsbleer og 5 hygiejnebind. Sådanne genstande eller indlæg har almindeligvis en forholdsvis stor absorberende pude til at optage legemsvæsker,. således at de fugter kroppen og fylder meget. Éngangsbleer består almindeligvis af et fluidumuigennemtrængeligt yderlag, et f luidumgennemtrængel i g t inderlag og en mellemliggende absorberende pude af cellulose eller celluld. Sådanne kendte bleers puder er forholdsvis voluminøse, specielt i skridtområdet, hvilket medfører en dårlig pasning og en minimal komfort for bæreren.
Det er endvidere kendt i puderne at anbringe et kraftigere ab-15 sorberende materiale, f.eks. en hydrokolloid polymer. Teoretisk tillader det hydrokolloide materiale en formindskelse af pudens volumen samtidig med, at de øger pudernes ønskede absorberende og fluidumti 1bageholdende kapacitet, da disse materialer kan absorbere og tilbageholde en væskemængde svarende 20 til flere gange deres vægt. I praksis er brugen af disse materialer i absorberende genstande begrænset på grund af talrige vanskeligheder, der er foranlediget af disse materialers natur.
25 Oprindeligt foretrak man at benytte det hydrokolloide materiale i partikelform, såsom små korn eller flager, da partiklerne har en større overflade og dermed øget absorptionsevne. Når de er anbragt i puden, viser det sig imidlertid, at partiklerne vandrer i puden før genstandens brug, nemlig under pakning, 30 lagring, transport eller anden håndtering, hvilket resulterer i partiklernes forskydning fra deres oprindelige placering til pudens fjerne dele, hvor de er mindre effektive.
Når det vædes, svulmer det hydrokolloide materiale op, bliver 35 gelatinøst og antager en ustabil, slimet struktur. Derved vandrer de fugtige materialer endnu mere i puden, så den taber sin form. Under bæringen sker der en forskydning, sammenklumpning, opsplitning og sønderrivning. Nogle våde hydrokolloide 2
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materialer irriterer huden, og det er således ønskeligt at reducere materialernes berøring af huden til et minimum.
Fra US-patentskrift nr. 3.645.264 kendes et lagen, der er sær-5 lig værdifuldt ved behandling af patienter med udbredte sårområder, f.eks. alvorligt forbrændte personer. Dette lagen omfatter en absorberende pude med et antal lag omfattende mindst ét øvre pneumatisk cellelag, et derunder beliggende væskeabsorberende lag og et væskeuigennemtrængeligt yderlag. Det 1Q pneumatiske cellelag omfatter to plastlag, hvorimellem der er et antal luftceller. Modstående områder af arkoverfladerne er svejset til hinanden til at danne skillevægge mellem nabostillede celler og væskegennemtrængelige huller forløber gennem skillevægsområderne. Det øvre celledannende lag er belagt med en fluid eller elastomer belægning af en ikke-irriterende si-i o 1iciumforbindel se for at forbedre patientens komfort og forhindre, at lagenet klæber til patientens legeme. Luftcellerne danner herved et fjedrende underlag, der samtidigt sikrer, at der kommer så meget luft til de udstrakte sårområder som mu-20 ligt. Der er ikke her anvist, at der fyldes noget hydrokollo-idt materiale i de dannede lommer til opsugning af sår- eller anden legemsvæske.
Det er den foreliggende opfindelses formål at anvise en absorberende genstand, der fastholder hydrokolloide materialer på 25 bestemte steder.
Dette formål tilgodeses ved, at den indledningsvist omtalte absorberende genstand ifølge opfindelsen er ejendommelig ved det i den kendetegnende del af krav 1 anførte.
30
Ved den absorberende genstand ifølge opfindelsen forhindres det ved hjælp af holdebanerne, at det hydrokolloide materiale vandrer før og under genstandens brug. Endvidere holdes det hydrokolloide materiale på et bestemt sted for at give en mak-35 simal absorptionsevne og fluidumtilbageholdelses- eller lagringsevne, og dets vandring i den absorberende genstand er forhindret, hvorved risikoen for en nedbrydning af den absorberende genstands pudeenhed på grund af det våde hydrokolloide
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3 materiale er fjernet. Endelig kommer det fugtige hydroko11oide materiale ikke ved brug af genstanden ifølge opfindelsen i berøring med bærerens hud.
5 I denne forbindelse skal det nævnes, at der allerede kendes en absorberende genstand bestående af et inderlag og et vanduigennemtrængeligt yderlag, som set med bleen i brugsstilling lagt på et barn, hvilke lag er indbyrdes forbundet langs siderandene og har en derimellem beliggende absorberende pudeenhed, ved jq hvilken inderlaget er et i det væsentlige vanduigennemtrængeligt mellemlag og har åbninger, og at den absorberende pudeenhed ligeledes har åbninger, der er lige så store som eller større end åbningerne i mellemlaget, og hvor mellemlaget med sine åbninger er fastgjort til yderlaget, således at det mindst dækker et område af pudeenhedens åbninger, jf. DE-of-fentliggørelsesskrift nr. 25 35 058. Dette kendte indlæg har lige så lidt som det ovenfor omtalte US-patentskr if t nogen lommer, der er fyldt med hydrokolloidt materiale.
Nedenfor beskrives udførelsesformer af den foreliggende opfin- 20 delses genstand på grundlag af tegningen. Denne viser i fig. 1 et delbillede, set fra oven, af en absorberende genstand ifølge den foreliggende opfindelse, vist i form af en éngangsble, 25 fig. 2 et delsnit taget i det væsentlige som angivet langs linien 2-2 i fig. 1, fig. 3 et delsnit af en anden udførelsesform for genstanden ifølge den foreliggende opfindelse, 30 fig. 4 et delsnit af endnu en udførelsesform for genstanden ifølge den foreliggende opfindelse, fig. 5 et skematisk billede set fra oven, der viser en udfø-35 relsesform for genstanden ifølge den foreliggende opfindelse, fig. 6 et skematisk billede set fra oven, der viser en udførelsesform for genstanden ifølge den foreliggende opfindelse,
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4 fig. 7 et skematisk delbillede, der viser en udførelsesform for genstanden ifølge den foreliggende opfindelse, fig. 8 et skematisk delbillede set fra oven, der viser en ud-5 førelsesform for genstanden ifølge den foreliggende opfindelse, fig. 9 et delsnit af en anden udførelsesform for genstanden ifølge den foreliggende opfindelse, 10 fig. 10 et delbillede set fra oven af en holdedel i en anden udførelsesform for genstanden ifølge den foreliggende opfindelse, fig. 11 et delbillede set fra oven af en holdedel i en anden udførelsesform for genstanden ifølge den foreliggende opfindelse, fig. 12 et delsnit af en anden udførelsesform for genstanden ifølge den foreliggende opfindelse, og 20 fig. 13 et delsnit taget i det væsentlige som angivet langs linien 13-13 i fig. 12.
I fig. 1 og 2 ses en absorberende genstand i form af en ble 20 med en absorberende pudeenhed 22. Den foreliggende opfindelses 25 genstand kan dog også benyttes til andre absorberende genstande, såsom hygiejnebind og busteholderindlæg.
Pudeenheden 22 har et fluidumuigennemtrængeligt yderlag 24, f.eks. polyethylen, der danner bleens bagflade 26, et fluidum- gennemtrængeligt inderlag 28, der danner bleens frontflade 30, 30 og en absorberende pude 32 anbragt mellem inderlaget 28 og yderlaget 24. Den absorberende pude 32 har en pudedel 34 af cellulose- eller cellulosefnuglag, et bageste cel 1ulosevatlag 36, der danner puden 32's bagflade 38, og et forreste cellulo- sevatlag 40, der danner puden 32's frontflade 42, Front- og 3 5 bagvatlagene 40 og 36 holder pudedelen 34 sammen under brug.
Som illustreret i fig. 1 har pudeenheden 22 to sidekanter 44 og endekanter 46, der forbinder sidekanterne 44, og den absor- DK 152248B * 5 berende pude 32 har et par sidekanter 48 og endekanter 50, der forbinder sidekanterne 48. Fortrinsvis er puden 32's sidekanter 48 anbragt ved siden af pudeenheden 22's sidekanter, og yderlaget 24 med sine sidekanter 52 er foldet om og fastgjort 5 til inderlaget 28 over puden 32's sidekanter. Puden har kendte klæ-bebåndsfastgørelsesorganer 54 til at fastholde den lagte ble
Pudeenheden 22 har en fluidumuigennemtrængelig holdebane 56 jq anbragt mellem inderlaget 28 og det indre cellulosevat 1 ag 40. Holdebanen 56 er ikke fastgjort eller er anbragt med afstand fra vatlaget 40 i et antal med indbyrdes afstand anbragte regioner 58 og er fastgjort til vat 1 åget 40's frontflade 42 i områder eller holdepunkter 60, der omgiver regionerne 58. Hol-debanen 56 og vatlaget 40 danner derved et antal derimellem og med indbyrdes afstand anbragte lommer 62. I denne udførelsesform er lommerne 62 i det væsentlige cirkulære og er anbragt på linie med hinanden på langs og på tværs af pudeenheden 22.
Skønt holdebanen 56 kan fastgøres til frontvatlaget 40 på 20 kendt måde, f.eks. med et klæbemiddel, omfatter holdebanen 56 i en foretrukken udførelsesform en termoplastisk folie, såsom polyethylen, der f.eks. ved opvarmning, svejses til frontvat- laget i områderne 60. Holdebanen 56's områder 60 har et antal gennemgående åbninger 64, der tillader passage af legemsfluida 25 til puden 32. Skønt hullerne 64 kan formes på forskellig kendt måde, fremstilles de fortrinsvis ved perforeringer i holdebanen 56, hvilke perforeringer forstørres ved opvarmning, når holdebanen 56 svejses til puden. En sådan fremgangsmåde kendes fra DK-patentansøgning nr. 772/76. I den foreliggende udførel- 3 0 sesform er holdebanen 56 lukket i regionerne 58 for at forhindre passage af fluida mellem lommerne 62' og pudeenheden 22's frontflade 30.
Pudeenheden 22 har et hydrokolloidt materiale 66. Sådanne ma-35 terialer er f.eks.
(a) hydrolyseret stivelsespolyacrylonitrilcopolymer H-span, produkt 35-A-100, Grain Processing Corp., Muscatine, Iowa, ifølge US-patentskrift nr. 3.661.815,
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6 (b) et tværbundet produkt nr. XD-8587.01L, fra Dow Corning Chemical Co., Midland, Michigan, (c) produkt nr. SGP 502S General Mills Chemical, Inc., Minnea- 5 polis, Minnesota, (d) produkt nr. 78-3710, National Starch and Chemical Corp.,
New York, (e) et hydrogelt baseprodukt, Carbowax, et varemærke fra Union 10 Carbide Corp., Charleston, West Virginia, eller (f) baseforsæbet sti velsespolyacry1 on itri 1 og podede copolyme-rer, ifølge US-patent nr. 3.435.971.
Sådanne hydrokol1 oide materialer har evnen til at absorbere 15 deres vægt mange gange i væske, såsom urin eller andre legemsfluida og kvælder op og danner en gelatines masse. De her benyttede hydrokolloide materialer kan være organiske eller uorganiske, være fysiologisk uskadelige (ikke-toksi ske) og kvælder op ved tilstedeværelse af vand på grund af deres store af- 20 finitet over for vand og danner normalt, i det mindste delvis, en suspension. Det foretrækkes, at de hydrokolloide materialer benyttes i partikelform, såsom pulver, granulat eller flager, men de kan også som opløsning påføres en eller flere af banerne .
25
Holdebanen 56 og frontvatlaget 40 tilbageholder det hydrokol-loide materiale 66 i 1ommerne 62 og forhindrer dets vandring under transport, lagring eller en anden håndtering af genstanden forud for brug. Det hydrokolloide materiale 66 tilbage-30 holdes således ved bestemte steder i pudeenheden 22 for maksimal nytte under brug, og de forhindres fra at forskydes til uønskede steder i pudeenheden.
Under brug af genstanden eller bleen 20 passerer legemsfluida 35 gennem åbningerne 64 i holdebaneområderne 60 og ind i puden 32, hvorefter legemsfluidaene kan passere gennem frontvat1 åget 40 ind i lommerne 62 for absorption og tilbageholdelse ved hjælp af det hydroko11 o i de materiale 66. Frontvat 1 åget 40 har
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7 en tilstrækkelig våd styrke til at forhindre passage af det våde hydrokolloide materiale 66 gennem vatlaget 40 ind i pudedelen 34. Vatlaget 40 tjener således som en anden holdebane til at tilbageholde det våde materiale i lommerne. Det våde 5 materiale 66 hindres fra at komme ind i pudedelen 34, for at heller ikke puden nedbrydes ved forskydning, klumpning, opsplitning eller sønderrivning af pudedelen 34, hvilket ellers kunne forekomme på grund af det våde materiale 66's ustabile og slimede tekstur. Desuden forhindrer holdebanen 56's lukkede 10 regioner 58 det våde materiale 66's passage til pudeenhedens frontflade og forhindrer således, at det våde materiale berører brugerens hud. I en anden udførelsesform har holdebanen 56's regioner 58 forholdsvis små åbninger eller huller 68, se fig. 4, der ikke er så store som de hydrokolloide partikler.
15 Åbningerne 68 tillader således passage af legemsfluida ind i lommerne 62, men er tilstrækkelig små til at forhindre passage af det våde kolloidmateriale til genstandens frontflade. I denne henseende bemærkes det, at kolloidpartiklerne kvælder op, når de vædes, hvilket yderligere begrænser muligheden for 20 partiklernes passage gennem åbningerne 68. Skønt holdebanen 56 er blevet beskrevet som fastgjort til pudens frontflade, bemærkes det, at holdebanen også kan fastgøres til pudens bag-flade eller til en anden overflade af et pudelag.
25 En anden udførelsesform for den foreliggende opfindelse ses i fig. 3. I denne udførelsesform har pudeenheden 22 en anden holdebane 70 fastgjort til den første holdebane 56 i holdepunkterne eller områderne 60 og danner lommer 62 i regionerne 58 for at holde det hydrokolloide materiale 66 tilbage. For-30 trinsvis er den anden holdebane 70 fluidumuigennemtrængelig og består f.eks. af polyethylen. Den har et antal åbninger 72 på linie med åbningerne 64 i den første holdebane 56 for at tillade passage af legemsfluida gennem den første og den anden holdebane 56 og 70. Den anden holdebane 70 har også et antal 35 huller 74 i regionerne 58 for at tillade passage af legemsfluida ind i lommerne 62. I den viste udførelsesform er den anden holdebane 70 således anbragt tæt op ad puden 32's frontflade 42, således at legemsfluida under brug trænger gennem åbnin- 8
DK 152248B
gerne 64 og 72 i holdebanerne 56 og 70 og ind i puden og fra puden 32 gennem den anden holdebane 70's åbninger 74 ind i lommerne 62 for absorption og tilbageholdelse ved hjælp af de hydrokolloide materialer 66. Som ovenfor tilbageholdes mate- j
5 rialerne 66 i lommerne 62 før og under genstandens brug. Af I
hensyn hertil er åbningerne 74 fortrinsvis ikke så store som de hydrokolloide partikler 66 i lommerne 62.
I en yderligere udførelsesform omfatter den anden holdebane 70 foruden vatlaget en cellulosebane med tilstrækkelig våd styrke til at forhindre passage af det våde hydrokolloide materiale 66. Holdebanen 70 kan også sammen med topvatlaget 40 hindre passage af sådant vådt materiale. I en foretrukken udførelsesform er i det mindste en af de to holdebaner 56 og 70 en ter-moplastisk folie, og banerne svejses sammen i områderne 60. I givet fald kan den første og den anden holdebane 56 og 70 anbringes mellem baglaget 24 og puden 32's bagflade 38, eller de kan være mellemlag i den absorberende pudes lag.
I fig. 5 ses et skematisk billede, der viser et arrangement 20 for 1ommer ifølge opfindelsen. Regionerne 58 og lommerne 62, der holder det hydrokolloide materiale tilbage, er i det væsentlige cirkulære og flugter ved at være anbragt i rækker i en langsgående midterdel af genstanden 20 mellem endekanterne 46. F.eks. kan lommerne 62 i en éngangsble være anbragt i et 25 skridtområde 76 ved legemsfluidaenes tilstrømningspunkt. Som vist i fig. 6 kan lommerne 62 anbringes tæt ved genstandens endekanter 46, altså i taljelinieområdet 78. I en yderligere udførelsesform, se fig. 7, kan lommerne 62 og regionerne 58 være aflange og kan forløbe på tværs mellem genstanden 20*s 30 sidekanter 44. I endnu en udførelsesform, se fig. 8, kan de aflange regioner 58 og 1 ommerne 62 forløbe i langsgående retning mellem genstanden 20's endekanter 46.
Σ den i fig. 9 viste udførelsesform for genstanden 20 ifølge 35 opfindelsen har pudeenheden 22 et første og et andet lag 32a og 32b af absorberende puder, og den første og den anden holdebane 56 og 70 er anbragt mellem puderne 32a og 32b. De to holdebaner 56 og 70 er fortrinsvis fremstillet af et fluidumu- 9
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igennemtrængeligt materiale, såsom polyethylen, og er forbundet til hinanden i områderne 60, f.eks. ved svejsning, medens de er anbragt med indbyrdes afstand i regionerne 58 til dannelse af lommerne 62. Holdebanerne 56 og 70 har indbyrdes 5 flugtende åbninger 64 og 72 for at tillade passage af legemsfluida i områderne 60. Den første holdebane 56 har et antal åbninger 68 i regionerne 58 for at tillade passage af legemsfluida fra puden 32a ind i lommerne 62, medens den anden holdebane 70 har et antal åbninger 74 i regionerne 58 for at ti 1 — 10 lade passage for puden 32b ind i lommerne 62. Holdebanerne 56 og 70 tillader således passage af legemsfluida mellem puderne 32a og 32b og passage af legemsfluida fra begge puderne 32a og 32b ind i lommerne 62 for absorption og tilbageholdelse ved hjælp af det hydrokolloide materiale i lommerne 62. Som før er 15 åbningerne 68 og 74 fortrinsvis mindre store end de hydrokol-loide partikler for at reducere muligheden for partikelpassage gennem banerne 56 og 70 til et minimum. I en ændret udførelsesform for genstanden 20 kan de hullede holdebaner 56 og 70 anbringes mellem inder- og yderlagene og puden.
20
Fig. 10 viser en yderligere udførelsesform for den foreliggende opfindelse, hvor den første holdebane 56 er fastgjort til yderlaget 24’s indre overflade i områderne eller holdepunkterne 60, medens den afgrænser lommerne 62 i regionerne 25 58. Det hydrokolloide materiale 56 tiIbageholdes-i lommerne 62 dannet mellem den første holdebane 56 og yderlaget 24 i regionerne 58. Den første holdebane 56 er fluidumuigennemtrængelig og har et antal åbninger 68 i regionerne 58 for at tillade passage af legemsfluida fra puden 32 ind i lommerne 62 for 30 absorption og tilbageholdelse ved hjælp af det hydrokolloide materiale 66. Fortrinsvis er i det mindste enten holdebanen 56 eller laget 24 en termoplastisk folie og holdebanen 56 og laget 24 svejses sammen i områderne 60. I den i fig. 10 viste udførelsesform er regionerne 58 og lommerne 62 i det væsentii-35 ge cirkulære, jf. ovenfor, skønt de kan have enhver hensigtsmæssig form, såsom aflange lommer og regioner som vist i fig.
12 og 13.
Claims (15)
1. Absorberende genstand med et fluidumgennemtrængeligt in- derlag, et fluidumuigennemtrængeligt yderlag, mellem inder- og 25 yderlagene anbragte holdebaner, der tillader væskepassage, som mellem sig har et absorberende materiale, og som indenfor genstandens overflade er forbundet indbyrdes ved områder udsparet i det absorberende materiale, kendetegnet ved, at holdebanerne (56, 70, 24) mellem deres forbindelsesområder 3 0 danner indbyrdes adskilte lommer (62), der er fyldt med et hy-drokolloidt materiale.
2. Genstand ifølge krav 1, kendetegnet ved, at holdebanerne (56, 70), der danner lommerne (62), er anbragt på 35 den absorberende pudes (32) ene side i genstandens (20) langsgående midterdel.
3. Genstand ifølge krav 1 eller 2, kendetegnet ved, at lommerne (62) er anbragt mellem endekanterne (46) i DK 152248 B u genstandens (20) skridtområde (76).
4. Genstand ifølge krav 1 eller 2, kendetegnet ved, at lommerne (62) ligger tæt ved i det mindste en af gen- _ standens (20) endekanter (46). 9
5. Genstand ifølge krav 1 eller 2, kendetegnet ved, at lommerne (62) er aflange og forløber mellem genstandens (20) sidekanter (44).
6. Genstand ifølge krav 1 eller 2, kendetegnet ved, at i det mindste en aflang lomme (62) forløber i genstandens (20) længderetning mellem dens endekanter (46).
7. Genstand ifølge et af kravene 1-6, kendetegnet 15 ved, at genstandens (20) pudeenhed (32) omfatter et andet absorberende pudelag (32a eller 32b).
8. Genstand ifølge et af kravene 1-7, kendetegnet ved, at en af holdebanerne, der danner lommerne (62) er genstandens (20) baglag (24). 20
9. Genstand ifølge et af kravene 1-7, kendetegnet ved, at der mellem genstandens (20) inderlag (28) og yderlag (24) kun er tilvejebragt en første holdebane (56), der er fastgjort til yderlaget (28) i holdepunkter (60). 25
10. Genstand ifølge et af kravene 1-9, kendetegnet ved, at holdebanen (56, 70) er lukket i med afstand anbragte regioner (58) for at forhindre væskestrøm fra lommerne (62) til genstandens (20) frontflade. 30
11. Genstand ifølge et af kravene 1-10, kendetegnet ved, at holdebanerne (56, 70) har et antal åbninger (68, 74) i området for regionerne (58).
12. Genstand ifølge et af kravene 1-11, kendetegnet 35 ved, at det hydrokolloide materiale (66) er partikelformet, og at størrelsen af åbningerne (68, 74) i regionerne (58) er mindre end det hydrokolloide materiales partikelstørreis®. DK 152248B
13. Genstand ifølge et af kravene 1-12, kendetegnet ved, at den på den absorberende pudes (32) inderside beliggende anden holdebane har et antal åbninger (74) for væskestrøm fra puden (32) til de af den første holdebane (56) over 5 den anden holdebane (70) dannede lommer (62).
14. Genstand ifølge et af kravene 1-13, kendetegnet ved, at de af yderlaget (24) og den første holdebane (56) dannede lommer (62) ved hjælp af kanaler (80) i holdepunkterne (60) er i forbindelse, og at den første holdebane (56) ved lommerne (62) danner et lukket lag og har et antal åbninger (82), der står i forbindelse med kanalerne (80) for væskeindtrængning gennem kanalerne (80) ind i lommerne (62).
15 20 25 30 35
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/679,541 US4055180A (en) | 1976-04-23 | 1976-04-23 | Absorbent article with retained hydrocolloid material |
US67954176 | 1976-04-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK173077A DK173077A (da) | 1977-10-24 |
DK152248B true DK152248B (da) | 1988-02-15 |
DK152248C DK152248C (da) | 1988-08-01 |
Family
ID=24727332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK173077A DK152248C (da) | 1976-04-23 | 1977-04-20 | Absorberende genstand, saasom engangsble og hygiejnebind |
Country Status (22)
Country | Link |
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US (1) | US4055180A (da) |
JP (1) | JPS52130739A (da) |
AT (1) | AT367617B (da) |
AU (1) | AU516328B2 (da) |
BE (1) | BE853498A (da) |
BR (1) | BR7702473A (da) |
CA (1) | CA1085102A (da) |
CH (1) | CH627365A5 (da) |
DE (1) | DE2714552C2 (da) |
DK (1) | DK152248C (da) |
ES (2) | ES237290Y (da) |
FR (1) | FR2406965A1 (da) |
GB (2) | GB1561401A (da) |
GR (1) | GR70266B (da) |
IE (1) | IE45381B1 (da) |
IT (1) | IT1073206B (da) |
MX (1) | MX146326A (da) |
MY (2) | MY8300123A (da) |
NL (1) | NL7704259A (da) |
PH (1) | PH13070A (da) |
PT (1) | PT66386B (da) |
ZA (1) | ZA771366B (da) |
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US3645264A (en) * | 1970-11-05 | 1972-02-29 | John P Gallagher | Absorbent pad |
DE2535058A1 (de) * | 1974-08-12 | 1976-02-26 | Colgate Palmolive Co | Saugfaehige vorlage |
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US3004895A (en) * | 1959-04-17 | 1961-10-17 | Samuel M Schwartz | Diaper rash preventative |
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US3344789A (en) * | 1964-12-29 | 1967-10-03 | Azur Associates | Diaper with film enclosed absorbent |
US3670731A (en) * | 1966-05-20 | 1972-06-20 | Johnson & Johnson | Absorbent product containing a hydrocolloidal composition |
US3762415A (en) * | 1968-03-06 | 1973-10-02 | Maxine B Money | Anti-bacterial menses absorbing pads |
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FR2129102A5 (en) * | 1971-03-09 | 1972-10-27 | Progil | Absorbent sanitary pads - with mineral fillings |
DE2208126B1 (de) * | 1972-02-22 | 1973-07-05 | Vereinigte Papienverke Schickedanz & Co, 8500 Nürnberg | Umhulltes Saugkissen fur hygienische Zwecke |
US3903889A (en) * | 1973-02-16 | 1975-09-09 | First National Bank Of Nevada | Disposable liquid absorbent products |
US3921232A (en) * | 1974-03-29 | 1975-11-25 | Procter & Gamble | Self-inflating structure |
US3881491A (en) * | 1974-03-29 | 1975-05-06 | Procter & Gamble | Self-inflating structure |
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US3901236A (en) * | 1974-07-29 | 1975-08-26 | Union Carbide Corp | Disposable absorbent articles containing hydrogel composites having improved fluid absorption efficiencies and processes for preparation |
US3965906A (en) * | 1975-02-24 | 1976-06-29 | Colgate-Palmolive Company | Absorbent article with pattern and method |
-
1976
- 1976-04-23 US US05/679,541 patent/US4055180A/en not_active Expired - Lifetime
-
1977
- 1977-03-08 ZA ZA00771366A patent/ZA771366B/xx unknown
- 1977-03-09 MX MX168290A patent/MX146326A/es unknown
- 1977-03-10 AU AU23094/77A patent/AU516328B2/en not_active Expired
- 1977-03-15 GR GR52993A patent/GR70266B/el unknown
- 1977-03-25 IT IT48667/77A patent/IT1073206B/it active
- 1977-04-01 DE DE2714552A patent/DE2714552C2/de not_active Expired
- 1977-04-01 PT PT66386A patent/PT66386B/pt unknown
- 1977-04-06 FR FR7710387A patent/FR2406965A1/fr active Granted
- 1977-04-12 BE BE176627A patent/BE853498A/xx not_active IP Right Cessation
- 1977-04-13 AT AT0255477A patent/AT367617B/de not_active IP Right Cessation
- 1977-04-15 CH CH470777A patent/CH627365A5/de not_active IP Right Cessation
- 1977-04-15 CA CA276,262A patent/CA1085102A/en not_active Expired
- 1977-04-19 GB GB16148/77A patent/GB1561401A/en not_active Expired
- 1977-04-19 GB GB23691/78A patent/GB1561402A/en not_active Expired
- 1977-04-19 JP JP4505177A patent/JPS52130739A/ja active Granted
- 1977-04-19 NL NL7704259A patent/NL7704259A/xx not_active Application Discontinuation
- 1977-04-19 BR BR7702473A patent/BR7702473A/pt unknown
- 1977-04-20 PH PH19691A patent/PH13070A/en unknown
- 1977-04-20 DK DK173077A patent/DK152248C/da not_active IP Right Cessation
- 1977-04-20 ES ES1977237290U patent/ES237290Y/es not_active Expired
- 1977-04-21 IE IE816/77A patent/IE45381B1/en unknown
-
1978
- 1978-03-16 ES ES1978234745U patent/ES234745Y/es not_active Expired
-
1983
- 1983-12-30 MY MY123/83A patent/MY8300123A/xx unknown
- 1983-12-30 MY MY124/83A patent/MY8300124A/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US3645264A (en) * | 1970-11-05 | 1972-02-29 | John P Gallagher | Absorbent pad |
DE2535058A1 (de) * | 1974-08-12 | 1976-02-26 | Colgate Palmolive Co | Saugfaehige vorlage |
Also Published As
Publication number | Publication date |
---|---|
AU2309477A (en) | 1978-09-14 |
ATA255477A (de) | 1981-12-15 |
IT1073206B (it) | 1985-04-13 |
BE853498A (fr) | 1977-08-01 |
ES234745U (es) | 1978-09-01 |
ES237290U (es) | 1979-03-16 |
IE45381L (en) | 1977-10-23 |
IE45381B1 (en) | 1982-08-11 |
MY8300123A (en) | 1983-12-31 |
BR7702473A (pt) | 1978-05-02 |
FR2406965A1 (fr) | 1979-05-25 |
CA1085102A (en) | 1980-09-09 |
JPS6130041B2 (da) | 1986-07-10 |
MY8300124A (en) | 1983-12-31 |
US4055180A (en) | 1977-10-25 |
JPS52130739A (en) | 1977-11-02 |
AU516328B2 (en) | 1981-05-28 |
PH13070A (en) | 1979-11-23 |
NL7704259A (nl) | 1977-10-25 |
DK173077A (da) | 1977-10-24 |
DE2714552C2 (de) | 1986-11-20 |
ES234745Y (es) | 1979-01-01 |
PT66386B (en) | 1978-09-11 |
CH627365A5 (de) | 1982-01-15 |
GB1561401A (en) | 1980-02-20 |
DK152248C (da) | 1988-08-01 |
GB1561402A (en) | 1980-02-20 |
GR70266B (da) | 1982-09-03 |
DE2714552A1 (de) | 1977-11-03 |
MX146326A (es) | 1982-06-10 |
AT367617B (de) | 1982-07-26 |
ZA771366B (en) | 1978-10-25 |
FR2406965B1 (da) | 1982-10-29 |
ES237290Y (es) | 1979-07-16 |
PT66386A (en) | 1977-05-01 |
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Legal Events
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PBP | Patent lapsed | ||
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |