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1. WO2022120482 - POLYPROPYLENE AND POLYTETRAFLUOROETHYLEN COMBINATION FACE MASK

Publication Number WO/2022/120482
Publication Date 16.06.2022
International Application No. PCT/CA2021/051763
International Filing Date 08.12.2021
IPC
A41D 13/11 2006.1
AHUMAN NECESSITIES
41WEARING APPAREL
DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
13Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
05protecting only a particular body part
11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
A62D 5/00 2006.1
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
DCHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
5Composition of materials for coverings or clothing affording protection against harmful chemical agents
B01D 46/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
B01D 46/54 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
B32B 3/06 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
3Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form
02characterised by features of form at particular places, e.g. in edge regions
06for securing layers together; for attaching the product to another member, e.g. to a support
B32B 27/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27Layered products essentially comprising synthetic resin
06as the main or only constituent of a layer next to another layer of a specific substance
08of synthetic resin of a different kind
Applicants
  • BARBEAU, Patrice [CA]/[CA]
  • GIRAD, Luc [CA]/[CA]
  • BERGERON, Dany [CA]/[CA]
  • HARDY, Geneviève [CA]/[CA]
Inventors
  • BARBEAU, Patrice
  • GIRAD, Luc
  • BERGERON, Dany
  • HARDY, Geneviève
Agents
  • CHARI, Santosh K.
Priority Data
63/122,75908.12.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) POLYPROPYLENE AND POLYTETRAFLUOROETHYLEN COMBINATION FACE MASK
(FR) MASQUE FACIAL À COMBINAISON DE POLYPROPYLÈNE ET DE POLYTÉTRAFLUOROÉTHYLÈNE
Abstract
(EN) A face mask including a first polypropylene outer layer, a second polypropylene outer layer, a combination polytetrafluoroethylene and polypropylene inner layer arranged between the first and second polypropylene outer layers, and at least one strap fixed to an outside surface of one of the outer layers. Also, a facemask having the aforementioned structure and also including a transparent window.
(FR) L'invention concerne un masque facial qui comprend une première couche extérieure en polypropylène, une seconde couche extérieure en polypropylène, une couche intérieure comprenant une combinaison de polytétrafluoroéthylène et de polypropylène disposée entre les première et seconde couches extérieures de polypropylène, et au moins une sangle fixée à une surface extérieure de l'une des couches extérieures. L'invention concerne également un masque facial ayant la structure susmentionnée et comprenant également une fenêtre transparente.
Latest bibliographic data on file with the International Bureau