# US 2014/0193522 A1 · Mixtures for Producing Chlorine Dioxide Gas In Enclosures and Methods of Making The Same

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- Number: US 2014/0193522 A1
- Document ID: US20140193522A1
- Status: Published application
- Kind: A1
- Application number: 14/152,595
- Filed: 2014-01-10
- Published: 2014-07-10
- Earliest claimed: 2013-01-10
- Assignees: ICA TriNova, LLC
- Applicants: ICA TriNova, LLC
- Inventors: Thomas L. Isaac; Joel D. Tenney
- Web page: https://patentgrep.com/patent/US20140193522A1

## CPC

- C01B 11/024: {from chlorites}
- A01N 59/00: Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- C01B 11/022: {Chlorine dioxide (ClO2)}
- C01B 11/023: {Preparation from chlorites or chlorates}
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}
- 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

## Abstract

The present disclosure relates to a mixture for producing chlorine dioxide gas provided in an enclosure comprising an impregnate comprising a chlorine dioxide precursor impregnated in a porous carrier and a proton-generating species, wherein the impregnate and proton-generating species are intermixed to produce a stable mixture and the mixture is provided in an enclosure. The present disclosure also relates to methods for producing chlorine dioxide gas.

## Claims

### Claim 1

A mixture for producing chlorine dioxide gas provided in an enclosure, comprising:
an impregnate comprising a chlorine dioxide precursor impregnated in a porous carrier; and
a proton-generating species;
wherein the impregnate and the proton-generating species are intermixed to produce a mixture and the mixture is provided in an enclosure; and
wherein the amount of chlorine dioxide produced in 24 hours when the enclosure is opened after 27 days of storage is 90% or greater of the amount of chlorine dioxide produced in 24 hours when the enclosure is opened after 0 days of storage.

### Claim 2

A mixture for producing chlorine dioxide gas provided in an enclosure, comprising:
an impregnate comprising a chlorine dioxide precursor impregnated in a porous carrier; and
a proton-generating species;
wherein the impregnate and the proton-generating species are intermixed to produce a mixture and the mixture is provided in an enclosure; and
wherein the amount of chlorine dioxide produced in 24 hours when the enclosure is opened and exposed to a temperature of 70° F. and a relative humidity of 50% is 90% or greater of the amount of chlorine dioxide produced in 24 hours when the enclosure is opened and exposed to a temperature of 70° F. and a relative humidity of 99%.

### Claim 3 (depends on 2)

The mixture according to claim 2, wherein said impregnate is dried to 5% water or less.

### Claim 4 (depends on 2)

The mixture according to claim 2, wherein the porous carrier is zeolite, diatomaceous earth, silica, alumina, porous polymer, clay, or a mixture thereof.

### Claim 5

(canceled)

### Claim 6 (depends on 2)

The mixture according to claim 2, wherein said impregnate is treated with a base.

### Claim 7 (depends on 5)

The mixture according to claim 5, wherein said base is potassium hydroxide, sodium hydroxide, calcium hydroxide, or a blend thereof.

### Claim 8 (depends on 2)

The mixture according to claim 2, further comprising a water-retaining substance selected from the group consisting of calcium chloride, magnesium sulfate, potassium chloride, and mixtures thereof.

### Claim 9

(canceled)

### Claim 10 (depends on 8)

The mixture according to claim 8, wherein the water-retaining substance is impregnated in a porous carrier.

### Claim 11 (depends on 2)

The mixture according to claim 2, wherein the chlorine dioxide precursor is selected from the group consisting of metal chlorites, metal chlorates, chloric acid, hypochlorous acid, and mixtures thereof.

### Claim 12

(canceled)

### Claim 13

(canceled)

### Claim 14

(canceled)

### Claim 15 (depends on 2)

The mixture according to claim 2, wherein the proton-generating species is an inorganic acid, an organic acid, or a salt or mixture thereof.

### Claim 16

(canceled)

### Claim 17 (depends on 2)

The mixture according to claim 2, wherein the proton-generating species comprises a metal salt selected from the group consisting of sodium bisulfate, disodium hydrogen phosphate, ferric chloride, ferric sulfate, CaCl2, ZnSO4, ZnCl2, CoSO4, CoCl2, MnSO4, MnCl2, CuSO4, CuCl2, MgSO4, sodium acetate, sodium citrate, and mixtures thereof.

### Claim 18

(canceled)

### Claim 19 (depends on 2)

The mixture according to claim 2, wherein the proton-generating species is in the form of a powder or crystals.

### Claim 20 (depends on 2)

The mixture according to claim 2, wherein the proton-generating species is impregnated in a porous carrier, and wherein porous carrier is zeolite, diatomaceous earth, silica, alumina, porous polymer, clay, or a mixture thereof.

### Claim 21

(canceled)

### Claim 22 (depends on 2)

The mixture according to claim 2, wherein the proton-generating species is provided in excess of the stoichiometric amount.

### Claim 23 (depends on 2)

The mixture according to claim 2, wherein the enclosure is a humidity-activated sachet and the mixture is enclosed within a membrane.

### Claim 24

(canceled)

### Claim 25 (depends on 2)

The mixture according to claim 2, wherein the impregnate comprises sodium chlorite impregnated in a diatomaceous earth carrier and the proton-generating species comprises sodium bisulfate.

### Claim 26

A mixture for producing chlorine dioxide gas provided in an enclosure, comprising:
an impregnate comprising a chlorine dioxide precursor impregnated in a porous carrier; and
a proton-generating species;
wherein the impregnate and the proton-generating species are intermixed to produce a mixture and the mixture is provided in an enclosure; and
wherein the amount of chlorine dioxide produced in 24 hours when the enclosure is opened and exposed to a temperature of 70° F. and a relative humidity of 35% is 85% or greater of the amount of chlorine dioxide produced in 24 hours when the enclosure is opened and exposed to a temperature of 70° F. and a relative humidity of 99%.

### Claim 27 (depends on 26)

The mixture according to claim 26, wherein the amount of chlorine dioxide produced in 24 hours when the enclosure is opened and exposed to a temperature of 70° F. and a relative humidity of 35% is 90% or greater of the amount of chlorine dioxide produced in 24 hours when the enclosure is opened and exposed to a temperature of 70° F. and a relative humidity of 99%.

### Claim 28 (depends on 2)

A method for producing chlorine dioxide gas, comprising the steps of:
providing the mixture in an enclosure according to claim 2;
opening the enclosure.

### Claim 29 (depends on 2)

A method of limiting the production of bio-organisms in a food package, comprising providing the mixture in an enclosure according to claim 2, and wherein the food package includes a fruit, a vegetable, or a mixture thereof.

### Claim 30

(canceled)