# US 10,307,497 B2 · ClO2 on demand disinfectant sponge or wipe and method of making > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,307,497 B2 - Document ID: US10307497B2 - Status: Granted - Kind: B2 - Application number: 15/318,050 - Filed: 2015-06-11 - Published: 2017-05-04 - Granted: 2019-06-04 - Earliest claimed: 2014-06-11 - Assignees: University of Florida Research Foundation, Inc. - Applicants: University of Florida Research Foundation, Inc. - Inventors: David Ernest Richardson - Web page: https://patentgrep.com/patent/US10307497B2 ## CPC - A61L 2/18: Liquid substances - A01N 59/00: Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds - A61L 2/232: layered or coated - A61L 2/235: cellular, porous or foamed - A61L 2202/11: Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps - C11D 17/049: {Cleaning or scouring pads; Wipes} - A61L: METHODS 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 (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract A disinfectant appliance has a plurality of chlorite absorbent particles, a plurality of redox resin particles, and at least one absorbent material combined such that the absorbent material allows and can promote: infusion of water into the disinfectant appliance; release of the chlorite from the chlorite absorbent particles into the water to form a chlorite comprising solution; contacting of the chlorite comprising solution with the redox resin particles; and the expulsion of ClO2 comprising solution from the disinfectant appliance onto a surface to be disinfected. The disinfectant appliance can include a storage section and can include a handle. The disinfectant appliance can be in the form of a wipe or sponge that can be contacted with a surface suspected of being infected. ## Claims ### Claim 1 A disinfect appliance, comprising: a plurality of chlorite absorbent particles and either a plurality of redox resin particles or a plurality of acid resin particles, and at least one absorbent material, whereby the absorbent material allows infusion of water into the disinfectant appliance, release of chlorite from the chlorite absorbent particles into the water to form a chlorite comprising solution, contacting of the chlorite comprising solution with the redox resin particles, and the expulsion of ClO2 comprising solution from the disinfectant appliance. ### Claim 2 (depends on 1) The disinfectant appliance of claim 1, wherein the chlorite absorbent particles reside in at least one first layer and the redox resin particles or the acid resin particles reside in at least one second layer. ### Claim 3 (depends on 2) The disinfectant appliance of claim 2, wherein the first layer further comprises a first absorbent material selected from the at least one absorbent material. ### Claim 4 (depends on 2) The disinfectant appliance of claim 2, wherein the second layer further comprises a second absorbent material selected from the at least one absorbent material. ### Claim 5 (depends on 1) The disinfectant appliance of claim 1, wherein the chlorite absorbent particles and the redox resin particles or the acid resin particles reside in at least one combined layer. ### Claim 6 (depends on 1) The disinfectant appliance of claim 1, wherein the chlorite absorbent particles comprise a chlorite salt absorbed in an absorbent. ### Claim 7 (depends on 6) The disinfectant appliance of claim 6, wherein the chlorite salt is sodium chlorite, potassium chlorite, lithium chlorite, cesium chlorite, magnesium chlorite, or calcium chlorite. ### Claim 8 (depends on 6) The disinfectant appliance of claim 6, wherein the absorbent is silica gel. ### Claim 9 (depends on 1) The disinfectant appliance of claim 1, wherein the redox resin is a tri-halide anion resin. ### Claim 10 (depends on 9) The disinfectant appliance of claim 9, wherein the tri-halide anion resin comprises an anion exchange resin where the bound tri-halide anion is Br3−, Cl3−, IBr2−, ICl2−, BrCl2−, BrI2−, ClBr2−, or ClI2−. ### Claim 11 (depends on 1) The disinfectant appliance of claim 1, wherein at least one of the at least one absorbent material is a foam. ### Claim 12 (depends on 11) The disinfectant appliance of claim 11, wherein the foam is an open cell foam. ### Claim 13 (depends on 11) The disinfectant appliance of claim 11, wherein the foam comprises polyester, polyurethane, polyimide, polyolefin, polydimethylsiloxane, cellulose, or polyvinyl alcohol. ### Claim 14 (depends on 1) The disinfectant appliance of claim 1, wherein at least one of the at least one absorbent material is gel. ### Claim 15 The disinfectant appliance 14, wherein the gel comprises polyvinyl alcohol. ### Claim 16 (depends on 1) The disinfectant appliance of claim 1, further comprising a storage section, wherein the storage section is a ClO2 solution absorbent selected from the at least one absorbent material. ### Claim 17 (depends on 1) The disinfectant appliance of claim 1, further comprising a holder. ### Claim 18 (depends on 17) The disinfectant appliance of claim 17, wherein the holder is attached to an exterior surface of one of the at least one absorbent material. ### Claim 19 (depends on 17) The disinfectant appliance of claim 17, wherein the holder is detachable from the disinfectant appliance. ### Claim 20 (depends on 17) The disinfectant appliance of claim 17, wherein the holder comprises a means to direct and control the fluid flow. ### Claim 21 (depends on 1) A method of disinfecting a surface, comprising: providing a disinfectant appliance according to claim 1; contacting the disinfectant appliance with water; drawing the water through the chlorite absorbent particles and either the redox resin particles or the acid resin particles; releasing a chlorite salt from the chlorite absorbent particles to form a chlorite comprising solution; contacting the chlorite comprising solution with the redox resin particles or the acid resin particles to form a ClO2 comprising solution: and discharging the ClO2 comprising solution from the disinfectant appliance onto a potentially infected surface, wherein the surface is disinfected. ### Claim 22 (depends on 21) The method of claim 21, wherein containing comprises submerging at least a portion of the disinfectant appliance into the water, pouring water onto at least a portion of the disinfectant appliance; or infusing water into a portion of the disinfectant appliance. ### Claim 23 (depends on 21) The method of claim 21, wherein drawing comprises wicking the water into the disinfectant appliance, optionally, where wicking is promoted by compressing and releasing the disinfectant appliance. ### Claim 24 (depends on 21) The method of claim 21, wherein discharging comprises wicking the water from the disinfectant appliance onto the potentially infected surface, optionally, where wicking is promoted by the disinfectant appliance.