The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 2023
Filed:
Jun. 01, 2021
Fxi Inc. Limited, London, GB;
Andrew R. Barron, Swansea, GB;
Iain Powner, Newcastle under Lyme, GB;
Wafaa Al-Shatty, London, GB;
Donald A. Hill, London, GB;
Sajad Kiani, Swansea, GB;
Andrius Stanulis, Swansea, GB;
Lee Tretheway, Newcastle under Lyme, GB;
Shirin Alexander, London, GB;
Steve Winston, London, GB;
FXI INC. LIMITED, London, GB;
Abstract
Embodiments of the present disclosure generally relate to coated substrates having, e.g., anti-viral properties, to articles including the coated substrates, and to processes for making such coated substrates and articles. In an embodiment, a mask for preventing infection by a virus is provided. The mask includes a coated substrate having a breathing resistance (95 L/min, EN 149:2001) of about 6 mbar or less and a water droplet absorption time of less than about 5 seconds. The coated substrate includes a non-woven fabric having a weight of about 120 g/mor less according to ASTM D3776, and mineral oxide particles, iron oxide particles, or both, coupled to at least a portion of the non-woven fabric.