# US 2017/0280728 A1 · Antimicrobial compositions and methods of their use

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- Number: US 2017/0280728 A1
- Document ID: US20170280728A1
- Status: Published application
- Kind: A1
- Application number: 15/509,688
- Filed: 2015-09-11
- Published: 2017-10-05
- Earliest claimed: 2014-09-12
- Assignees: Cms Technology, LLC
- Applicants: Cms Technology, Inc..
- Inventors: Francis DAUTREUIL; Ron SHAPIRA; John MECCIA; Seth HYATT
- Web page: https://patentgrep.com/patent/US20170280728A1

## CPC

- A01N 59/20: Copper
- A01N 59/00: Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A23B 2/742: Organic compounds containing oxygen
- A23B 2/754: containing carboxyl groups
- A23B 2/788: Inorganic compounds
- A23B 4/20: Organic compounds; Microorganisms; Enzymes
- A23B 4/24: Inorganic compounds
- A23B 7/154: Organic compounds; Microorganisms; Enzymes
- A23B 7/157: Inorganic compounds
- A23V 2002/00: Food compositions, function of food ingredients or processes for food or foodstuffs
- 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
- 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 is directed to antimicrobial compositions comprising a hypochlorite salt, a copper (II) salt, and an optionally acid that is an inorganic acid, an organic acid, or a combination thereof, and optionally a buffering agent, and having a chlorine concentration of between 0.1 ppm and 300 ppm and a copper (II) concentration of between 0.1 ppm and 300 ppm. Methods of making and using these compositions is also described.

## Claims

### Claim 1

A composition comprising:
a hypochlorite salt;
a copper (II) salt; and
optionally an acid that is an inorganic acid, an organic acid, or a combination thereof;
wherein the composition has a chlorine concentration of 0.1 to 300 ppm and a copper (II) concentration of 0.1 to 300 ppm.

### Claim 2 (depends on 1)

The composition of claim 1, wherein the chlorine concentration is between 0.1 and 75 ppm, between 0.1 and 50 ppm, between 0.1 and 25 ppm, between 0.1 and 10 ppm, about 4 ppm, or about 5 ppm.

### Claim 3

(canceled)

### Claim 4

(canceled)

### Claim 5

(canceled)

### Claim 6

(canceled)

### Claim 7 (depends on 1)

The composition of claim 1, wherein the hypochlorite salt is sodium hypochlorite, calcium hypochlorite, magnesium hypochlorite, or a combination thereof.

### Claim 8

(canceled)

### Claim 9 (depends on 1)

The composition of claim 1, wherein the copper (II) concentration is between 0.1 and 150 ppm, between 0.1 and 125 ppm, between 0.1 and 100 ppm, between 0.1 and 50 ppm, between 0.1 and 25 ppm, between 0.1 and 10 ppm, or between 0.1 and 5 ppm.

### Claim 10

(canceled)

### Claim 11

(canceled)

### Claim 12

(canceled)

### Claim 13

(canceled)

### Claim 14

(canceled)

### Claim 15

(canceled)

### Claim 16 (depends on 1)

The composition of claim 1, wherein the copper (II) salt is copper (II) sulfate.

### Claim 17 (depends on 1)

The composition of claim 1, wherein the composition comprises the acid and the acid is sulfuric acid, lactic acid, citric acid, or a combination thereof.

### Claim 18 (depends on 1)

The composition of claim 1, consisting essentially of the hypochlorite salt, the copper (II) salt, and the acid and having a chlorine concentration of 0.1 to 300 ppm and a copper (II) concentration of 0.1 to 300 ppm or consisting essentially of the hypochlorite salt and the copper (II) salt, and having a chlorine concentration of 0.1 to 300 ppm and a copper (II) concentration of 0.1 to 300 ppm.

### Claim 19

(canceled)

### Claim 20 (depends on 18)

The composition of claim 18, further comprising water.

### Claim 21 (depends on 1)

The composition of claim 1, wherein the composition is an aqueous solution.

### Claim 22 (depends on 21)

The composition of claim 21, wherein the pH of the aqueous solution is less than 7, at 25° C., is between 1 and 7, at 25° C., is between 2 and 7, at 25° C., is between 3 and 7, at 25° C., or is between 4 and 7, at 25° C.

### Claim 23

(canceled)

### Claim 24

(canceled)

### Claim 25

(canceled)

### Claim 26

(canceled)

### Claim 27 (depends on 1)

The composition of claim 1, further comprising a buffering agent.

### Claim 28

(canceled)

### Claim 29 (depends on 1)

The composition of claim 1, wherein the composition is in the form of a solid that is a pellet, granule, powder, or tablet wherein the solid is optionally encased in a water soluble film.

### Claim 30

(canceled)

### Claim 31 (depends on 1)

A method comprising
applying the composition of claim 1 to a surface.

### Claim 32 (depends on 31)

The method of claim 31, wherein the surface is a foodstuff surface wherein the foodstuff is a meat product, a produce product, or a dairy product.

### Claim 33

(canceled)

### Claim 34

(canceled)

### Claim 35

(canceled)

### Claim 36

(canceled)

### Claim 37

(canceled)

### Claim 38

(canceled)

### Claim 39 (depends on 31)

The method of claim 31, wherein the microbe is a bacterium and the bacterium is salmonella enteritidis, listeria monocytogenes, Escherichia coli, clostridium botulinum, campylobacter, or a combination thereof; or wherein the microbe is a virus and the virus is a meat product, a produce product, or a dairy product.

### Claim 40

(canceled)

### Claim 41

(canceled)

### Claim 42

A method comprising
adding a copper (II) salt; and optionally an acid that is an inorganic acid, an organic acid, or a combination thereof to a first aqueous solution comprising a hypochlorite salt;
to produce a second aqueous solution comprising the hypochlorite salt, the copper (II) salt, and optionally the acid, the second aqueous solution having a pH below 7 at 25° C., a chlorine concentration of 0.1 to 300 ppm, and a copper (II) concentration of 0.1 to 300 ppm; and
the second aqueous solution contacting a surface.

### Claim 43 (depends on 42)

The method of claim 42, wherein the hypochlorite salt is sodium hypochlorite, calcium hypochlorite, magnesium hypochlorite, or a combination thereof.

### Claim 44

(canceled)

### Claim 45 (depends on 42)

The method of claim 42, wherein the chlorine concentration is between 0.1 and 75 ppm, is between 0.1 and 50 ppm, is between 0.1 and 25 ppm, is between 0.1 and 10 ppm, or is between 0.1 and 4 ppm.

### Claim 46

(canceled)

### Claim 47

(canceled)

### Claim 48

(canceled)

### Claim 49

(canceled)

### Claim 50 (depends on 42)

The method of claim 42, wherein the copper (II) salt is copper (II) sulfate.

### Claim 51 (depends on 42)

The method of claim 42, wherein the copper (II) concentration is between 0.1 ppm and 150 ppm, is between 0.1 ppm and 125 ppm, is between 0.1 ppm and 100 ppm, is between 0.1 ppm and 50 ppm, is between 0.1 ppm and 25 ppm, is between 0.1 ppm and 10 ppm, or is between 0.1 ppm and 5 ppm.

### Claim 52

(canceled)

### Claim 53

(canceled)

### Claim 54

(canceled)

### Claim 55

(canceled)

### Claim 56

(canceled)

### Claim 57

(canceled)

### Claim 58 (depends on 42)

The method of claim 42, wherein the acid is added to the first aqueous solution and the acid is sulfuric acid, lactic acid, or a combination thereof.

### Claim 59 (depends on 42)

The method of claim 42, wherein the first aqueous solution further comprises a buffering agent.

### Claim 60

(canceled)

### Claim 61 (depends on 42)

The method of claim 42, wherein the copper (II) salt and optionally the acid are provided as a third aqueous solution comprising the copper (II) salt and optionally the acid.

### Claim 62 (depends on 42)

The method of claim 42, wherein the pH of the second aqueous solution is less than 7, at 25° C.

### Claim 63 (depends on 42)

The method of claim 42, wherein the surface is a foodstuff surface and wherein the foodstuff is a meat product, a produce product, or a dairy product.

### Claim 64

(canceled)

### Claim 65

(canceled)

### Claim 66

(canceled)

### Claim 67

(canceled)

### Claim 68

(canceled)

### Claim 69 (depends on 42)

The method of claim 42, wherein the surface is a hard surface.

### Claim 70 (depends on 42)

The method of claim 42, wherein the microbe is a bacterium and the bacterium is salmonella enteritidis, listeria monocytogenes, Escherichia coli, clostridium botulinum, campylobacter, or a combination thereof; or wherein the microbe is a virus and the virus is enterovirus, norovirus, or rotavirus.

### Claim 71

(canceled)

### Claim 72

(canceled)

### Claim 73

(canceled)