# US 2016/0249608 A1 · Antimicrobial composition and tissue containing it

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2016/0249608 A1
- Document ID: US20160249608A1
- Status: Published application
- Kind: A1
- Application number: 15/024,422
- Filed: 2014-09-23
- Published: 2016-09-01
- Earliest claimed: 2013-09-24
- Assignees: Satisloh AG
- Applicants: Satisloh AG
- Inventors: Mamonjy Cadet
- Web page: https://patentgrep.com/patent/US20160249608A1

## CPC

- A01N 25/30: characterised by the surfactants
- A01N 25/34: Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
- A01N 31/14: Ethers
- C09D 5/14: Paints containing biocides, e.g. fungicides, insecticides or pesticides (C09D5/16 takes precedence)
- C09D 171/02: Polyalkylene oxides
- C11D 1/008: {Polymeric surface-active agents}
- C11D 3/0078: {Compositions for cleaning contact lenses, spectacles or lenses}
- C11D 17/049: {Cleaning or scouring pads; Wipes}
- A61L 2/18: Liquid substances
- G02B 27/0006: {with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation (G02B1/18 takes precedence; cleaning in general B08B)}
- 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
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- 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)
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The present invention relates to an antimicrobial and antifog composition comprising: (a) at least a non ionic surfactant comprising a hydrophilic unit and a hydrophobic unit, said hydrophilic unit containing poly(oxyalkylene) units responding to the [—(R1—O)z—]n with R1 represents linear or branched alkylene groups, such as propylene or ethylene and z is an integer equal or higher than 1, preferably ranging from 1 to 40, the number n of said poly(oxyalkylene) units being equal or higher than 3, and (b) at least an alcohol compound of low molecular weight equal or less than 500 g/mol, wherein the weight ratio R of the non ionic surfactant/alcohol compound is such that 2.5≦R≦200 and the content of the at least alcohol compound by weight, relative to the total weight of the antimicrobial composition is ranging from 0.01% to 5%. The present invention also relates to an aqueous solution comprising the above mentionned antimicrobial and antifog composition, and dry microfiber tissue and non woven wet tissue impregnated with said aqueous solution, and an opticle article comprising a main surface coated with a temporary antimicrobial film or coating obtained by wiping said main surface with one of the above tissues.

## Claims

### Claim at position 1

-16. (canceled)

### Claim 17

An antimicrobial composition comprising:
at least a non-ionic surfactant comprising a hydrophilic unit and a hydrophobic unit, said hydrophilic unit containing poly(oxyalkylene) units responding to the [—(R1—O)z—]n with R1 represents linear or branched alkylene groups, and z is an integer equal or higher than 1, the number n of said poly(oxyalkylene) units being equal or higher than 3; and
at least an alcohol compound of low molecular weight equal or less than 500 g/mol, wherein the weight ratio R of the non-ionic surfactant/alcohol compound is such that 2.5≦R≦200 and the content of the at least alcohol compound by weight, relative to the total weight of the antimicrobial composition ranges from 0.01% to 5%.

### Claim 18 (depends on 17)

The antimicrobial composition according to claim 17, wherein the weight ratio R of the non-ionic surfactant/alcohol compound is such that 20≦R≦50.

### Claim 19 (depends on 18)

The antimicrobial composition according to claim 18, wherein the weight ratio R of the non-ionic surfactant/alcohol compound is such that 20≦R≦40.

### Claim 20 (depends on 17)

The antimicrobial composition according to claim 17, wherein the content of the at least alcohol compound by weight, relative to the total weight of the antimicrobial composition ranges from 0.25% to 2%.

### Claim 21 (depends on 17)

The antimicrobial composition according to claim 17, wherein the content of the at least alcohol compound by weight, relative to the total weight of the antimicrobial composition ranges between 0.5 to 1.5%.

### Claim 22 (depends on 17)

The antimicrobial composition according to claim 17, wherein the alcohol compound of low molecular weight is selected from mono-ol, diol, aromatic alkyl alcohol and fatty alcohol, the alcohol compound having 2 to 20 carbon atoms or the mixture thereof.

### Claim 23 (depends on 22)

The antimicrobial composition according to claim 22, wherein the alcohol is selected from: ethanol, propan-1-ol, propan-2-ol, ethylene glycol, 1,1,1,-tricholoro-2-methylpropanol, propandiol, bromo-2-nitropropan-1,3-diol, 3-(p-chlorophenoxy)-propane-1,2-diol, butanediol, pentanediol, hexyleneglycol, octanediol, benzyl alcohol, biphenyl-2-ol, 2,6-dichlorobenzyl alcohol, chlorocresol, isopropyl-metacresol, phenylethyl alcohol, dichlorobenzyl alcohol, 5-chloro-2-(2,4-dichlorophenoxy)phenol, chloroxylenol, 2,2′-methylenbis(6-bromo-4-chlorophenol), benzyl-2-chloro-4-phenol, phenoxyethanol, phenoxypropanol, 3-(p-chlorophenoxy)-propane-1,2-diol, (phenylmethoxy)methanol, lauryl alcohol, cetyl alcohol, stearyl alcohol, cetearyl alcohol and myristyl alcohol or mixture thereof.

### Claim 24 (depends on 17)

The antimicrobial composition according to claim 17, wherein the at least a non-ionic surfactant is selected from fluoroalkyl-polyoxyalkylenes, polyoxyalkylene glycols, polyoxyalkyene alkylether, polyoxyalkylene esters or mixture thereof.

### Claim 25 (depends on 24)

The antimicrobial composition according to claim 24, wherein the at least a non-ionic surfactant is selected from polyoxyalkylene sorbitan-fatty acid esters and polyoxyethylene castor oils or mixture thereof.

### Claim 26 (depends on 24)

The antimicrobial composition according to claim 24, wherein the surfactant is selected from fluoroalkyl-polyoxyalkylenes of formula: F(CF2)s—(CH2—CH2O)rH (I), in which s and r are integers such that r ranges from 1 to 16, and s is equal or less than 10.

### Claim 27 (depends on 24)

The antimicrobial composition according to claim 24, wherein the surfactant is selected from polyoxyalkylene sorbitan-fatty acid esters of formula (IX) below:
in which Ra, Rb, Rc et Rd are independently linear or branched alkylene groups of C2-C6, w, x, y and z are independently integers ≧1.

### Claim 28 (depends on 27)

The antimicrobial composition according to claim 27, wherein Ra, Rb, Rc et Rd of formula (IX) are independently linear alkylene groups of C2-C6 and w, x, y and z are independently integers between 1 to 40.

### Claim 29 (depends on 17)

The antimicrobial composition according to claim 17, wherein the content of the at least a non-ionic surfactant, by weight, relative to the total weight of the antimicrobial composition ranges from 10 to 40%.

### Claim 30 (depends on 17)

The antimicrobial composition according to claim 17, wherein the content of the at least a non-ionic surfactant, by weight, relative to the total weight of the antimicrobial composition ranges from 95 to 99.9%.

### Claim 31 (depends on 17)

An aqueous solution comprising by weight relative to the total weight of the preparation at least 50% of water and at least 10% of the antimicrobial composition according to claim 17.

### Claim 32 (depends on 31)

The aqueous solution according to claim 31, comprising by weight, relative to the total weight of the preparation, at least 60% of water.

### Claim 33 (depends on 17)

A dry microfiber tissue impregnated by an antimicrobial composition according to claim 17.

### Claim 34 (depends on 31)

A dry microfiber tissue obtained by impregnation with an aqueous solution as defined in claim 31, of microfiber tissue comprising microfibers made of polymers comprising polyester units and polyamide units, followed by drying said microfiber tissue.

### Claim 35 (depends on 31)

A non-woven wet tissue the structure of which comprises a hydrophilic polymer, said tissue being impregnated by an aqueous solution as defined in claim 31.

### Claim 36 (depends on 35)

The non-woven wet tissue according to claim 35, wherein the hydrophilic polymer is a hydrophilic polymer comprising cellulosic units.

### Claim 37 (depends on 35)

The non-woven wet tissue according to claim 35, the structure of which further comprises a hydrophobic polymer.

### Claim 38 (depends on 17)

An optical article comprising a substrate having at least one main surface coated with a precursor coating of an antifog coating, wherein the coating precursor of the antifog coating is:
obtained through the grafting of at least one compound having a polyoxyalkylene group; and
further coated with a film obtained by applying onto said precursor coating temporary film comprising an antimicrobial composition as defined in claim 17.

### Claim 39 (depends on 38)

A method for imparting antimicrobial properties to an optical article having at least one main surface, comprising the application onto said main surface of a temporary antimicrobial film composition such as defined in claim 38.

### Claim 40 (depends on 39)

The method of claim 39, wherein the application onto said main surface comprises wiping said main surface with a tissue, the structure of which comprises a hydrophilic polymer and a hydrophobic polymer, said tissue being impregnated with said temporary antimicrobial film composition.