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1. WO2022056645 - GRAPHENE-SILVER NANOCOMPOSITES AND USES FOR SAME AS AN ANTIMICROBIAL COMPOSITION

Publication Number WO/2022/056645
Publication Date 24.03.2022
International Application No. PCT/CA2021/051308
International Filing Date 20.09.2021
Chapter 2 Demand Filed 19.07.2022
IPC
A61L 2/238 2006.1
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
2Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
16using chemical substances
23Solid substances, e.g. granules, powders, blocks, tablets
238Metals or alloys, e.g. oligodynamic metals
A61L 2/18 2006.1
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
2Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
16using chemical substances
18Liquid substances
CPC
A61L 2/18
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
2Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
16using chemical substances
18Liquid substances ; or solutions comprising solids or dissolved gases
A61L 2/238
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
2Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
16using chemical substances
23Solid substances, e.g. granules, powders, blocks, tablets
238Metals or alloys, e.g. oligodynamic metals
Applicants
  • ZENTEK LTD. [CA]/[CA]
Inventors
  • HADDADI, Seyyedarash
  • VAN DER KUUR, Colin
  • KORKIS, Joseph
  • SRIDHAR, Deepak
Agents
  • MILLER THOMSON LLP
  • SIM, Lisa Y.
Priority Data
63/081,30121.09.2020US
63/128,99322.12.2020US
63/161,87316.03.2021US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) GRAPHENE-SILVER NANOCOMPOSITES AND USES FOR SAME AS AN ANTIMICROBIAL COMPOSITION
(FR) NANOCOMPOSITES DE GRAPHÈNE-ARGENT ET LEURS UTILISATIONS EN TANT QUE COMPOSITION ANTIMICROBIENNE
Abstract
(EN) The present invention relates to antimicrobial compositions comprising graphene-silver cation nanocomposites and uses for same as an antimicrobial agent. The antimicrobial agent is particularly useful as a disinfectant or for use as a coating to confer antimicrobial activity to a substrate. The antimicrobial agent can further be used to enhance filtration efficiency in PPE, face masks, and filters in air filtration (HVAC) systems, and other airflow membranes and filters to reduce the transmission of microbial pathogens.
(FR) La présente invention se rapporte à des compositions antimicrobiennes comprenant des nanocomposites de graphène-argent et à leurs utilisations en tant qu'agent antimicrobien. L'agent antimicrobien est particulièrement utile en tant que désinfectant ou en vue d’être utilisé en tant que revêtement permettant de conférer une activité antimicrobienne à un substrat. L'agent antimicrobien peut en outre être utilisé pour améliorer l'efficacité de filtration dans des EPI, masques faciaux et filtres dans des systèmes de filtration de l'air (CVCA) et autres membranes et filtres de flux d'air afin de réduire la transmission d'agents pathogènes microbiens.
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