# US 8,541,454 B2 · Antiseptic based on bispyridinium alkanes

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- Number: US 8,541,454 B2
- Document ID: US8541454B2
- Status: Granted
- Kind: B2
- Application number: 13/156,635
- Filed: 2011-06-09
- Published: 2012-01-05
- Granted: 2013-09-24
- Earliest claimed: 2010-07-02
- Assignees: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
- Applicants: Sabine Behrends; Andreas Dettmann; Mona Golombiewski; Elke Kassens
- Inventors: Sabine Behrends; Andreas Dettmann; Mona Golombiewski; Elke Kassens
- Web page: https://patentgrep.com/patent/US8541454B2

## CPC

- A61K 9/0014: {Skin, i.e. galenical aspects of topical compositions (non-active ingredients are additionally classified in A61K47/00; A61K9/0009, A61K9/0021, A61K9/7015, A61K9/7023 take precedence; cosmetic preparations A61K8/00, A61Q; preparations for wound dressings or bandages A61L26/00)}
- A01N 43/40: six-membered rings
- A61K 31/4425: Pyridinium derivatives, e.g. pralidoxime, pyridostigmine
- A61K 47/10: Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
- A61P 31/00: Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- 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
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS

## Abstract

An antimicrobially effective composition includes a) at least 0.15% by weight of bispyridinium alkane, b) at least 3.5% by weight of humectant and c) water. Upon dilution with water, the composition produces a solution with an osmolality of from 230 to 350 mOsmol/kg and is free from surfactant. It is used as an antiseptic and is suitable for use in a method for the disinfection of injured or uninjured skin of a human being or animal, preference being given to use in the case of newborns, in particular those born prematurely.

## Claims

### Claim 1

An antimicrobially effective composition comprising for 100% by weight:
a) between 0.15% and 5% by weight of bispyridinium alkane,
b) between 5% and 20% by weight of humectant and
c) Water,
where the composition:
is free from surfactant and wherein the composition is free of aliphatic alcohol and aromatic alcohol.

### Claim 2 (depends on 1)

The composition according to claim 1, wherein the composition is free from inorganic salts.

### Claim 3 (depends on 1)

The composition according to claim 1, wherein the composition is free from antioxidant.

### Claim 4 (depends on 1)

The composition according to claim 1, wherein component a) is octenidine dihydrochloride.

### Claim 5 (depends on 1)

The composition according to claim 1, wherein the composition comprises 0.2 to 2.5% by weight of component a).

### Claim 6 (depends on 1)

The composition according to claim 1, wherein the humectant is selected from the group of polyhydric alcohols selected from the group consisting of glycerol, 1,2-propylene glycol, sorbitol, glucose, fructose, glucuronic acid, lactose, lactic acid, lactates, lactulose, polyethylene glycols, sucrose, hyaluronic acid, xylitol, xylose and mixtures thereof.

### Claim 7 (depends on 6)

The composition according to claim 6, wherein component b) is glycerol.

### Claim 8 (depends on 1)

The composition according to claim 1, wherein the composition comprises 10 to 15% by weight of component b).

### Claim 9 (depends on 1)

The composition according to claim 1, wherein the composition consists of the components:
a) Octenidine dihydrochloride in an amount of from 0.25 to 1% by weight,
b) Glycerol in an amount of from 11 to 13% by weight, and
c) Water as the remainder.

### Claim 10

A method for the disinfection of injured or uninjured skin of a human being or animal, which comprises applying to the skin an effective amount of a solution comprising, for 100% by weight:
a) 0.001% to 1% by weight of bispyridinium alkane,
b) between 5% to 20% by weight of humectants, and
c) water,
where the solution:
(i) has an osmolality of from 230 to 350 mOsmol/kg and
(ii) is free from surfactant and wherein the composition is free of aliphatic alcohol and aromatic alcohol.

### Claim 11 (depends on 10)

The method according to claim 10, characterized in that the disinfection method involves an ultrasound-associated wound treatment (UAW).

### Claim 12 (depends on 10)

The method according to claim 10, wherein the injured or uninjured skin is that of a newborn human being or animal.

### Claim 13 (depends on 10)

The method according to claim 10, wherein the injured or uninjured skin is that of a premature human being or animal.
