American Medical Patents Antimicrobial Skin Product
Patent No. US 6,645,507 B2: American Medical Research, Inc., Sarasota, FL, patented a process to prepare a phase-stable emulsion for a skin care product with antimicrobial, antiviral, antiseptic and healing properties. The steps comprise forming an aqueous phase with a quaternary ammonium compound as a cationic surfactant; forming a second phase with one or more fatty acids, one or more fatty alcohols and/or one or more fatty esters; mixing the two phases to form an emulsion and mixing a nitrogenous organic base with the emulsion to produce a salt of the one or more fatty acids and improve the stability of the emulsion.
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