Rinse-off water-in-oil-in-water compositions

US6022547A · kind A · utility

Assignee

• Helene Curtis, Inc. · US

Inventors

• Craig A. Herb · Chicago, US
• Liang Chen · Lombard, US
• Judy B. Chung · Glenview, US
• Michelle A. Long · Lombard, US
• Wei-Mei Sun · Palatine, US
• Gerald Newell · Hoffman Estates, US
• Trefor A. Evans · Lombard, US
• Kimberly Kamis · Glenview, US
• Richard M. Brucks · Chicago, US

Key dates

• Filing date: Jun 28, 1996
• Grant date: Feb 8, 2000
• Expiry date: Jun 28, 2016

Classification

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

Abstract

Rinse-off, water-in-oil-in-water multiple emulsion compositions are disclosed. The multiple emulsion compositions comprise an external aqueous phase optionally incorporating an emulsifier and/or a second topically-active compound. The internal phase comprises a primary water-in-oil emulsion, wherein the primary emulsion comprises a first topically-active compound, a surfactant phase, an oil phase, and water.