Liquid antimicrobial cleansing compositions which provide residual benefit versus gram negative bacteria

US6214363A · kind A · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Peter William Beerse · Maineville, US
• Jeffrey Michael Morgan · Springboro, US
• Kathleen Grieshop Baier · Cincinnati, US
• Robert Gregory Bartolo · Montgomery, US
• Theresa Anne Bakken · Cincinnati, US
• Mary Elizabeth Carethers · Cincinnati, US
• Mark Richard Sine · Cincinnati, US
• Mannie Lee Clapp · Mason, US
• Raphael Warren · Cincinnati, US

Key dates

• Filing date: Nov 12, 1997
• Grant date: Apr 10, 2001
• Expiry date: Nov 12, 2017

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to a rinse-off antimicrobial cleansing composition comprising from about 0.001% to about 5% of an antimicrobial active, from about 1% to about 80% of an anionic surfactant, from about 0.1% to about 12% of a proton donating agent; from about 0.1% to about 30% of a deposition aid; and from about 3% to about 98.8% of water, wherein the composition is adjusted to a pH of from about 3.0 to about 6.0, wherein the rinse-off antimicrobial cleansing composition has a Gram Negative Residual Effectiveness Index of greater than about 0.3, and wherein the rinse-off antimicrobial cleansing composition has a Mildness Index of greater than 0.3. The invention also encompasses methods for cleansing skin and providing residual effectiveness versus Gram negative bacteria using these products.