Particulate solids of surface-active compounds

US6903065B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Peter-Roger Nyssen · Dormagen, DE
• Dietmar Fuchs · Pulheim, DE
• Hans-Peter Müller · Weingarten, DE

Key dates

• Filing date: May 17, 2002
• Grant date: Jun 7, 2005
• Expiry date: Jul 7, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29B9/10
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to particulate solids comprising more than 90% by weight of natural or synthetic surface-active compounds for whicha) the mean particle size of the particulate solid particles is 10 to 3000 μm,b) the surface-active compounds are solid at room temperature, andc) the surface-active compounds have a melting point of from 25 to 250° C.