Detergent bar comprising amorphous silica and salt of carboxylic and/or sulphonic acid

US6492321B2 · kind B2 · utility

Assignee

• Unilever Home & Personal Care USA, Division of Conopco, Inc. · US

Inventors

• Deepak Agrawal · Hyderabad, IN
• Rajapandian Benjamin · Whitefield, IN
• Dhanraj Kalyansundaram Chokappa · Mumbai, IN
• Sudhakar Yeshwant Mhaskar · Mumbai, IN

Key dates

• Filing date: Dec 5, 2000
• Grant date: Dec 10, 2002
• Expiry date: Dec 5, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/22
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A detergent bar composition containing 5-70% detergent active, 0.5-30% amorphous alumina, 0.5-30% of at least one alkali metal salt of carboxylic/sulphonic acid, and 10-55% water.