Process for the production of detergent tablets by microwave and hot air treatment

US5914309A · kind A · utility

Assignee

• Henkel Ecolab GmbH & Co. OHG · DE

Inventors

• Mario Ulbl · Essen, DE
• Andreas Potthoff · Goldkronach, DE
• Sandra Witt · Langenfeld, DE
• Manfred Klemm · Laatzen, DE

Key dates

• Filing date: May 7, 1997
• Grant date: Jun 22, 1999
• Expiry date: May 7, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S159/26
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for producing detergent tablets by exposing a detergent composition to microwave radiation in the frequency range from 3 to 300,000 MHz while treating the detergent composition with hot air having a temperature of 50.degree. C. to 300.degree. C.