Aqueous liquid bleaching detergents which are stable during storage and washing process

US5160656A · kind A · utility

Assignee

• L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude · FR

Inventors

• Henry Carron · Pantin, FR
• Eric Jourdan-Laforte · Écully, FR

Key dates

• Filing date: Nov 13, 1990
• Grant date: Nov 3, 1992
• Expiry date: Nov 13, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3947
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Alkaline aqueous liquid bleaching detergents that remain stable during storage contain monohydrated sodium perborate, a Mg 3.5 SiO.sub.2 magnesium silicate, sodium acid pyrophosphate and a viscosity regulator composed of dialkylether polyethyleneglycol copolymers. The detergents can be used for washing and bleaching at temperatures between 40.degree. and 90.degree. C.