Process for the production of detergent surfactant granules comprising a recycle step

US5597794A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Volker Bauer · Neuberg, DE
• Wilfried Raehse · Goldkronach, DE
• Andreas Syldath · Goldkronach, DE
• Ditmar Kischkel · Monheim, DE

Key dates

• Filing date: Oct 17, 1994
• Grant date: Jan 28, 1997
• Expiry date: Oct 17, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention is a process for producing surfactant granules by mixing a water-containing surfactant with a solid to form granules, drying the granules and recycling the dried granules as a portion of the solid.