Process for preparing a sodium percarbonate product

US6054066A · kind A · utility

Assignee

• Solvay Interox GmbH · GB

Inventors

• Helmut Honig · Geretsried, DE
• Manfred Mathes · Homborn, DE
• Paul-Wilhem Fuchs, deceased · Homborn, DE
• Harald Beck · Linden, DE

Key dates

• Filing date: Oct 2, 1997
• Grant date: Apr 25, 2000
• Expiry date: Oct 2, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3942
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process is disclosed for preparing a novel sodium percarbonate product useful in pH-regulated washing and cleaning systems. The disclosed sodium percarbonate product substantially is a mixed sodium percarbonate/sodium bicarbonate compound obtained by reacting, for example, sodium bicarbonate with an aqueous hydrogen peroxide solution.