Detergent composition containing alkali metal peroxysalt stabilized with alkali metal sulfate and chloride

US5478488A · kind A · utility

Assignee

• Solvay Interox GmbH · GB

Inventors

• Werner Doetsch · Homborn, DE
• Manfred Mathes · Homborn, DE
• Gerd Hecken · Vettelschoß, DE

Key dates

• Filing date: May 6, 1994
• Grant date: Dec 26, 1995
• Expiry date: May 6, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2991
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Particulate alkali metal peroxy salts are stabilized by coating with a crystallized mineral salt mixture of alkali metal sulfate and alkali metal chloride which optionally may additionally contain alkali metal silicate. Particularly suitable alkali metal peroxy salts include peroxypyrophosphate, peroxytripolyphosphate, peroxymonosulfate and peroxycarbonate. The coated peroxy salts are incorporated in bleaching and detergent compositions.