Granulation method

US6683042B1 · kind B1 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

• Bernd Larson · Erkelenz, DE
• Wilfried Raehse · Goldkronach, DE
• Markus Semrau · Timmaspe, DE
• Matthias Sunder · Goldkronach, DE

Key dates

• Filing date: Mar 29, 2001
• Grant date: Jan 27, 2004
• Expiry date: Mar 29, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/065
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Disclosed is a novel granulation method, wherein a surface active foam obtained by foaming a flowable component that contains a surface active agent with a gaseous medium is used as granulation adjuvant. The surface active foam has an average pore size of less than 10 mm.