Particles with modified physicochemical properties, their preparation and uses

US6197349A · kind A · utility

Assignee

• Knoll, Inc. · DE

Inventors

• Kirsten Westesen · Zerbst, DE
• Britta Siekmann · Lomma, SE

Key dates

• Filing date: Nov 6, 1997
• Grant date: Mar 6, 2001
• Expiry date: Nov 6, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2985
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Particles comprising (a) a supercooled melt of a poorly water-soluble substance and (b) a stabilizing agent, which have a mean particle size of between 30 and 500 nm, and disperse compositions containing them, as administration forms and delivery systems for drugs, vaccines and other biologically active agents such as herbicides, pesticides, insecticides, fungicides, fertilizers, vitamins, nutrition additives and cosmetics.