Biodegradable cellulose-based filter media and facial masks including the same

A cellulose-based filter media (10) is disclosed having a first phase (14) and a second phase (16), wherein the first phase (14) includes refined cellulose fibers, and wherein the second phase (16) includes cellulose fibers along with at least one of cellulose-based man-made fibers or non-cellulose...

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Bibliographic Details
Main Authors Martignat, Audrey, Abderrahmen, Robin, Papa, Hervé, Cartier, Noël, Blanc, Patrice
Format Patent
LanguageEnglish
Published 11.04.2024
Subjects
ACCESSORIES
HUMAN NECESSITIES
OUTERWEAR
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PROTECTIVE GARMENTS
SEPARATION
TRANSPORTING
WEARING APPAREL
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Summary:A cellulose-based filter media (10) is disclosed having a first phase (14) and a second phase (16), wherein the first phase (14) includes refined cellulose fibers, and wherein the second phase (16) includes cellulose fibers along with at least one of cellulose-based man-made fibers or non-cellulose man-made fibers. A facial mask (18) having the filter media (10) and a process for making the filter media (10) are also disclosed. Due to the composition of the filter media (10), the filter media (10) and/or facial mask (18) incorporating the same are at least partially biodegradable, compostable, and/or recyclable and can be formed from a wet laid process.
Bibliography:Application Number: US202218275421