Zinc oxide containing surfactant solution

US6774096B1 · kind B1 · utility

Assignee

• Colgate-Palmolive Company · US

Inventor

• Marc Paye · Hognoul, BE

Key dates

• Filing date: Oct 9, 2003
• Grant date: Aug 10, 2004
• Expiry date: Oct 28, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/75
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A cleaning composition for all purpose cleaners, light duty liquids, shampoos such as hair cleaning, foam baths, liquid hand soaps, and shower gels which comprises approximately by weight:(a) 1% to 50%, more preferably 2% to 40% of at least one surfactant selected from the group consisting of sulfonated anionic surfactants, sulfated anionic surfactants, zwitterionic surfactants, C12-C14 alkanol amide surfactants, amine oxide surfactants, ethoxylated nonionic surfactants, ethoxylated/propoxylated nonionic surfactants and alkyl polyglucoside surfactants and mixtures thereof;(b) 0.5% to 10%, more preferably 1% to 8% of at least one solubilizer;(c) 0.01% to 1%, more preferably 0.03% to 0.5% of Nano-particulates of zinc oxide which function as an anti-irritant system for the surfactants; and(d) the balance being water.