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US 11,889,832 B2Granted
Antimicrobial enhancement of cationic active skin antiseptics
AssigneeEcolab USA Inc.
InventorsLilian Lam Josephson, Daniel E. Pedersen, Dale Curtis Larson
Life of this patent
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Abstract
The disclosure relates to antimicrobial compositions and their methods of use and manufacture. In particular, the antimicrobial compositions described herein comprise an antimicrobial active, a primary foaming agent, and an L-amino acid to provide rapid antimicrobial efficacy. In a preferred embodiment, the antimicrobial compositions are dermal cleansers. In a most preferred embodiment, the antimicrobial compositions comprise a foam structure enhancing agent.
Claims16
An antimicrobial composition comprising:
- from about 0.1 wt. % to about 1 wt. % of an antimicrobial active compound comprising one or more of the following benzalkonium chloride, benzethonium chloride, chlorhexidine gluconate, and mixtures thereof, wherein the antimicrobial active compound has antimicrobial activity toward Gram positive and/or Gram negative microorganisms;
- from about 1 wt. % to about 4 wt. % of a primary foaming agent, wherein the primary foaming agent comprises a C8-C16 alkanolamide, a glucosamide, or a mixture thereof;
- from about 0.5 wt. % to about 1.5 wt. % of a C8-C12 Guerbet alcohol ethoxylate;
- from about 20 mM to about 100 mM of an L-amino acid comprising L-histidine, L-glycine, L-arginine, or a combination thereof;
- and
- from about 65 wt. % to about 99.7 wt. % of a carrier comprising hexylene glycol;
- wherein the composition has a pH between about 9 and about 9.6.
4 more elements
An antimicrobial composition comprising:
- from about 0.1 wt. % to about 1 wt. % of an antimicrobial active compound comprising benzalkonium chloride, wherein the antimicrobial active compound has antimicrobial activity toward Gram positive and/or Gram negative microorganisms;
- from about 1 wt. % to about 4 wt. % of a primary foaming agent, wherein the primary foaming agent comprises capryloyl/caproyl methyl glucamide, cocamide diethanolamine, cocamidopropryl PG-dimonium chloride phosphate, laurtrimonium chloride, palmitamidopropyltrimonium chloride, or a mixture thereof;
- from about 20 mM to about 100 mM of an L-amino acid comprising L-histidine, L-glycine, L-arginine, or a combination thereof;
- from about 0.5 wt. % to about 1.5 wt. % of a C10 Guerbet alcohol ethoxylate with 3-6 EO groups;
- and
- from about 65 wt. % to about 99.7 wt. % of a carrier comprising hexylene glycol;
- wherein the composition has a pH between about 9 and about 9.6.
4 more elements
Dependencies are inferred from the claim text.