US 10,869,862 B2 · Antimicrobial compositions for topical use

Abstract

This invention relates to an antimicrobial composition for application onto human skin, said composition comprising: a. 20 to 90 wt. % of one or more C2 to C4 monohydric alcohols; b. 0.5 to 10 wt. % vitamin B3 compound; c. 1 to 20 wt. % of one or more polyols; and wherein the weight ratio of the vitamin B3 compound to the one or more polyols is in the range of 1:2 to 1:20 and wherein the viscosity of the composition is in the range of 0.5 Pa s (500 cps) to 18 Pa s (18000 cps) at 25° C. wherein the one or more C2 to C4 monohydric alcohols are selected from ethanol, isopropyl alcohol and combinations thereof and further wherein the composition comprises a combination of ethanol and isopropyl alcohol.

Claims10

Dependent claims

An antimicrobial composition for application onto human skin, said composition comprising:

a. 55 to 70 wt. % ethanol and isopropanol;
b. 0.75 to 1 wt. % niacinamide;
c. 3 to 10 wt. % propylene glycol;
d. 25 to 40 wt. % of water;
and
wherein the weight ratio of niacinamide to the propylene glycol is in the range of 1:2 to 1:20 and wherein the viscosity of the composition is in the range of 0.5 Pa s (500 cps) to 18 Pa s (18000 cps) at 25° C.;
wherein the composition further comprises 0.05 to 0.8 wt. % of a thickening agent comprising polyacrylic acid;
and
0.1 to 0.13 wt. % of a basic neutralizer, wherein the neutralizer comprises aminomethylpropanol.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/303,299Filed 4 May 2017

Priority

EP 1617150126 May 2016

Published

US 2019/0209544 A111 Jul 2019

Granted

22 Dec 2020

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

A61K 31/455
Non condensed pyridines; Hydrogenated derivatives thereof: nicotinic acids, e.g. niacin; Derivatives thereof, e.g. esters, amides
A61K 9/0014
Galenical forms characterised by the site of application: skin, i.e. galenical aspects of topical compositions
A61K 47/10
Containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides: alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene…
A61P 31/04
Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics: antibacterial agents

Antimicrobial compositions for topical use

Life of this patent

Antimicrobial compositions for topical use

Life of this patent

Abstract

Claims10