US 2022/0064836 A1 · BACTERICIDAL AND VIRUCIDAL FABRIC

Abstract

The present invention provides a bactericidal and virucidal fabric selected from cotton or non-woven fabric prepared by formulations and methods described herein. The formulations include a beta-cyclodextrin-containing compound associated with one or more metal ions including at least zinc ions and water for providing bactericidal and virucidal properties to the fabric dip-coated with the formulations according to various embodiments of the present invention. The as-prepared fabric has an increment in Grams per Square Meter (GSM) value of approximately 13.0 to 20.0 g/m2, an antibacterial activity value of at least 3.0, and/or antiviral activity value of at least 2.5.

Claims16

Dependent claims

A dip-coating, antibacterial and antiviral formulation for preparing a bactericidal and virucidal woven fabric, the formulation comprising:

at least a beta-cyclodextrin-containing compound associated with zinc ions, and water to exert bactericidal and virucidal effect of the fabric on bacteria and/or viruses;
at least one organic acid;
and
at least one metal salt,
wherein the beta-cyclodextrin comprises at least one carboxylic ester unit and one carboxylic acid unit.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/230,994Filed 14 Apr 2021

Priority

31 Aug 2020

Published

3 Mar 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

D06B 3/18
Of fabrics: combined with squeezing, e.g. in padding machines
D06M 16/00
Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from
D06B 21/00
Successive treatments of textile materials by liquids, gases or vapours
D06M 13/192
Carboxylic acids; Anhydrides, halides or salts thereof: polycarboxylic acids; Anhydrides, halides or salts thereof

Bactericidal and virucidal fabric

Life of this patent

Bactericidal and virucidal fabric

Life of this patent

Abstract

Claims16