Detergent containing sodium disilicate having a water content of 0.3 to 6% by weight

US5096609A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Franz-Josef Dany · Lechenich, DE
• Werner Gohla · Niederkassel, DE
• Gerhard Kalteyer · Lechenich, DE
• Joachim Kandler · Lechenich, DE
• Hans-Jürgen Kramer · Neunburg vorm Wald, DE

Key dates

• Filing date: Feb 1, 1991
• Grant date: Mar 17, 1992
• Expiry date: Feb 1, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/08
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A detergent containing 5 to 50% by weight of at least one surfactant, 0.5 to 60% by weight of a matrix substance and also standard laundry aids, contains as matrix substance an amorphous, low-water sodium disilicate having a water content of 0.3 to 6% by weight which has preferably been produced by partial dehydration of commercially available powdered amorphous sodium disilicate having a water content of 15 to 23% by weight.