# US 2016/0353758 A1 · Methods for treating an object with chlorine dioxide > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0353758 A1 - Document ID: US20160353758A1 - Status: Published application - Kind: A1 - Application number: 15/236,518 - Filed: 2016-08-15 - Published: 2016-12-08 - Earliest claimed: 2013-12-20 - Assignees: ICA TriNova, LLC - Applicants: ICA TriNova, LLC - Inventors: William Ernst; Joel Tenney - Web page: https://patentgrep.com/patent/US20160353758A1 ## CPC - A23B 7/144: in the form of gases, e.g. fumigation; Compositions or apparatus therefor - A23B 2/704: in the form of gases, e.g. fumigation; Compositions or apparatus therefor - A23V 2002/00: Food compositions, function of food ingredients or processes for food or foodstuffs - A23B: PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES - A23V: INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION ## Abstract The present disclosure relates to a method for treating an object with chlorine dioxide gas, comprising contacting the object with chlorine dioxide gas while exposing the object to less than 1000 lux of light. The disclosed method minimizes chlorine containing residue on the surface of the object. The object can be a raw agricultural commodity (RAC) such as a raw fruit or vegetable. ## Claims ### Claim 1 A method for treating an object with chlorine dioxide gas while minimizing chlorine-containing residue on the object, comprising contacting the object with chlorine dioxide gas while exposing the object to less than 1000 lux of light, wherein the chlorine dioxide gas is generated at less than 1000 lux of light, and the object comprises a raw agricultural product. ### Claim 2 (depends on 1) The method of claim 1, wherein said exposing step comprises exposing the object to less than 200 lux of light. ### Claim 3 (depends on 1) The method of claim 1, wherein the chlorine dioxide concentration adjacent the object during said treating step is 5 mg/L or less. ### Claim 4 (depends on 3) The method of claim 3, wherein the chlorine dioxide concentration adjacent the object during said treating step is 2 mg/L or less. ### Claim 5 (depends on 1) The method of claim 1, further comprising the step of generating the chlorine dioxide gas by mixing dry particles of a chlorine dioxide precursor and a proton generating species. ### Claim 6 (depends on 1) The method of claim 1, wherein the chlorine dioxide gas is generated by mixing a sodium chlorite solution and hydrochloric acid solution. ### Claim 7 (depends on 1) The method of claim 1, wherein the total amount of chlorate and perchlorate formed on the surface of the object from said contacting step is 190 μg/kg of the object or less. ### Claim 8 (depends on 1) The method of claim 1, wherein the total amount of chlorate formed on the surface of the object from said contacting step is 160 μg/kg of the object or less. ### Claim 9 (depends on 1) The method of claim 1, wherein the total amount of perchlorate formed on the surface of the object from said contacting step is 30 μg/kg of the object or less. ### Claim 10 (canceled) ### Claim 11 (depends on 1) The method of claim 1, wherein the raw agricultural product includes a fruit, a vegetable, or a combination thereof. ### Claim 12 (depends on 1) The method of claim 1, wherein the object is contacted with chlorine dioxide in a substantially dark or dark environment. ### Claim 13 (canceled) ### Claim 14 (canceled) ### Claim 15 (canceled) ### Claim 16 (depends on 1) The method of claim 1, wherein the chlorine dioxide gas is generated in situ. ### Claim 17 A method for treating an object with chlorine dioxide gas while minimizing chlorine-containing residue on the object, comprising contacting the object with chlorine dioxide gas while exposing the object to less than 1000 lux of light, wherein the chlorine dioxide gas is generated at less than 1000 lux of light, wherein the chlorine dioxide adjacent the object during said treating step has an initial concentration, and wherein the concentration of chlorine dioxide gas adjacent the object after said treating step is less than the initial concentration of chlorine dioxide. ### Claim 18 (depends on 17) The method of claim 17, wherein the object consumes at least a portion of the chlorine dioxide gas during said treating step. ### Claim 19 (depends on 17) The method of claim 17, wherein said exposing step comprises exposing the object to less than 200 lux of light. ### Claim 20 (depends on 17) The method of claim 17, wherein the chlorine dioxide concentration adjacent the object during said treating step is 5 mg/L or less. ### Claim 21 (depends on 17) The method of claim 17, wherein the chlorine dioxide concentration adjacent the object during said treating step is 2 mg/L or less. ### Claim 22 (depends on 17) The method of claim 17, further comprising the step of generating the chlorine dioxide gas by mixing dry particles of a chlorine dioxide precursor and a proton generating species. ### Claim 23 (depends on 17) The method of claim 17, wherein the chlorine dioxide gas is generated by mixing a sodium chlorite solution and hydrochloric acid solution. ### Claim 24 (depends on 17) The method of claim 17, wherein the total amount of chlorate and perchlorate formed on the surface of the object from said contacting step is 190 μg/kg of the object or less. ### Claim 25 (depends on 17) The method of claim 17, wherein the total amount of chlorate formed on the surface of the object from said contacting step is 160 μg/kg of the object or less. ### Claim 26 (depends on 17) The method of claim 17, wherein the total amount of perchlorate formed on the surface of the object from said contacting step is 30 μg/kg of the object or less. ### Claim 27 (depends on 17) The method of claim 17, wherein the object comprises a raw agricultural product. ### Claim 28 (depends on 27) The method of claim 27, wherein the raw agricultural product includes a fruit, a vegetable, or a combination thereof. ### Claim 29 (depends on 17) The method of claim 17, wherein the object is contacted with chlorine dioxide in a substantially dark or dark environment. ### Claim 30 (depends on 17) The method of claim 17, wherein the chlorine dioxide gas is generated in situ.