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1. WO2005005704 - MATIERES PARTICULAIRES DANS DES NAPPES DE NANOFIBRES

Numéro de publication WO/2005/005704
Date de publication 20.01.2005
N° de la demande internationale PCT/US2004/021128
Date du dépôt international 30.06.2004
CIB
A61F 13/15 2006.01
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
FFILTRES IMPLANTABLES DANS LES VAISSEAUX SANGUINS; PROTHÈSES; DISPOSITIFS MAINTENANT LE PASSAGE OU ÉVITANT L'AFFAISSEMENT DE STRUCTURES CORPORELLES TUBULAIRES, p.ex. STENTS; DISPOSITIFS D'ORTHOPÉDIE, DE SOINS OU DE CONTRACEPTION; FOMENTATION; TRAITEMENT OU PROTECTION DES YEUX OU DES OREILLES; BANDAGES, PANSEMENTS OU GARNITURES ABSORBANTES; NÉCESSAIRES DE PREMIERS SECOURS
13Bandages ou pansements; Garnitures absorbantes
15Garnitures absorbantes, p.ex. serviettes ou tampons hygiéniques pour application externe ou interne au corps; Moyens pour les maintenir en place ou les fixer; Applicateurs de tampons
CPC
A61F 13/15
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
A61F 13/15658
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
15577Apparatus or processes for manufacturing
15617Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
15658Forming continuous, e.g. composite, fibrous webs, e.g. involving the application of pulverulent material on parts thereof
A61F 13/51
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
51characterised by the outer layers
A61F 13/514
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
51characterised by the outer layers
514Backsheet, i.e. the impermeable cover or layer furthest from the skin
A61F 13/537
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
534having an inhomogeneous composition through the thickness of the pad
537characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
A61L 15/60
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS 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
15Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
42Use of materials characterised by their function or physical properties
60Liquid-swellable gel-forming materials, e.g. super-absorbents
Déposants
  • THE PROCTER & GAMBLE COMPANY [US/US]; One Procter & Gamble Plaza Cincinnati, OH 45202, US (AllExceptUS)
  • CHHABRA, Rajeev [IN/US]; US (UsOnly)
  • ISELE, Olaf, Erik, Alexander [DE/US]; US (UsOnly)
Inventeurs
  • CHHABRA, Rajeev; US
  • ISELE, Olaf, Erik, Alexander; US
Représentant commun
  • THE PROCTER & GAMBLE COMPANY; c/o T. David Reed 6110 Center Hill Road Cincinnati, OH 45224, US
Données relatives à la priorité
60/483,83930.06.2003US
Langue de publication anglais (EN)
Langue de dépôt anglais (EN)
États désignés
Titre
(EN) PARTICULATES IN NANOFIBER WEBS
(FR) MATIERES PARTICULAIRES DANS DES NAPPES DE NANOFIBRES
Abrégé
(EN)
The present invention is directed to a method of forming nonwoven webs comprising particulates. The method of forming the nonwoven web generally comprising the steps of forming fibers from a melt fibrillation process, forming at least one fluid stream containing particulates, mixing said fibers with said particulates to form a fiber-particulate mix, and depositing the mix on a surface to form a web. The nonwoven web will have the particulates entrapped in the web. The nonwoven web may comprise a layer having a significant number of nanofibers with diameters less than one micron.
(FR)
La présente invention a trait à un procédé de formation de nappes non-tissées comportant des matières particulaires. Le procédé de formation de la nappe non-tissée comprend, de manière générale, les étapes suivantes : la formation de fibres dérivées d'un traitement de fibrillation par fusion, la formation d'au moins un flux de fluide contenant des matières particulaires, le mélange desdites fibres avec lesdites matières particulaires pour la formation d'un mélange de fibres et de matières particulaires, et le dépôt du mélange sur une surface pour la formation d'une nappe. La nappe va inclure les matières particulaires piégées. La nappe non-tissée peut comprendre une couche ayant un nombre considérable de nanofibres avec des diamètres inférieurs à un micron.
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