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1. WO2022046031 - ABSORBENT STRUCTURES AND METHODS FOR MANUFACTURING ABSORBENT STRUCTURES

Publication Number WO/2022/046031
Publication Date 03.03.2022
International Application No. PCT/US2020/047741
International Filing Date 25.08.2020
IPC
A61F 13/531 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
13Bandages or dressings; Absorbent pads
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
53characterised by the absorbing medium
531having a homogeneous composition through the thickness of the pad
A61F 13/539 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
13Bandages or dressings; Absorbent pads
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
53characterised by the absorbing medium
539characterised by the connection of absorbent layers with each other or with the outer layers
CPC
A61F 13/531
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
13Bandages or dressings
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body
53characterised by the absorbing medium
531having a homogeneous composition through the thickness of the pad
A61F 13/539
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
13Bandages or dressings
15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body
53characterised by the absorbing medium
539characterised by the connection of the absorbent layers with each other or with the outer layers
Applicants
  • KIMBERLY-CLARK WORLDWIDE, INC. [US]/[US]
Inventors
  • SCHOON, Bradley, W.
  • LABASH, Daniel, T.
  • BEITZ, Mark, J.
  • PETERS, Nicholas, M.
  • BAKER, Andrew, T.
  • BIGGS, David, G.
  • BOWEN, Kate, T.
  • GRAVERSON, Michelle, L.
Agents
  • CABELKA, Joseph S.
  • DUDKOWSKI, Alyssa, A.
  • KOHTALA, Luke, D.
  • SULLIVAN, Michael, J.
  • DRESSEL, Sarah Ann
  • BOHLKEN, Craig M.
  • THOMSON, Andrew J.
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ABSORBENT STRUCTURES AND METHODS FOR MANUFACTURING ABSORBENT STRUCTURES
(FR) STRUCTURES ABSORBANTES ET PROCÉDÉS DE FABRICATION DE STRUCTURES ABSORBANTES
Abstract
(EN) Absorbent structures and methods of manufacture are disclosed. In one embodiment, an absorbent structure may comprise a first layer, a second layer, and a mixture of particles and adhesive disposed therebetween, the superabsorbent particles being disposed at greater than 400 gsm and less than 600 gsm, and the adhesive being disposed at greater than 4% and less than 5%, by weight, of the weight of the superabsorbent particles. The adhesive may form a three-dimensional mesh network comprising network adhesive filaments with the superabsorbent particles immobilized within the mesh network, and the network adhesive filaments extending substantially throughout a three-dimensional space defined by the network adhesive filaments and the superabsorbent particles, and wherein the absorbent structure has a SAM Capture Value greater than or equal to 98, according to the SAM Capture Test Method.
(FR) Des structures absorbantes et des procédés de fabrication sont divulgués. Dans un mode de réalisation, une structure absorbante peut comprendre une première couche, une seconde couche et un mélange de particules et d'adhésif disposé entre celles-ci, les particules superabsorbantes étant disposées selon une valeur supérieure à 400 g/m² et inférieure à 600 g/m², et l'adhésif étant disposé selon une valeur supérieure à 4 % et inférieure à 5 %, en poids, du poids des particules superabsorbantes. L'adhésif peut former un réseau maillé tridimensionnel comprenant des filaments adhésifs de réseau avec les particules superabsorbantes immobilisées à l'intérieur du réseau maillé, et les filaments adhésifs de réseau s'étendant sensiblement dans un espace tridimensionnel défini par les filaments adhésifs de réseau et les particules superabsorbantes, et la structure absorbante ayant une valeur de capture SAM supérieure ou égale à 98, selon le procédé de test de capture SAM.
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