Partial esters of a polyglycerol with at least one carboxylic acid and one polyfunctional carboxylic acid, their preparation and use

US8653289B2 · kind B2 · utility

Assignee

• EVONIK GOLDSCHMIDT GMBH · DE

Inventors

• Hans Henning Wenk · Mülheim an der Ruhr, DE
• Juergen Meyer · Taunusstein, DE
• Stefan Bergfried · Essen, DE
• Hannelore Foetsch · Essen, DE

Key dates

• Filing date: Mar 2, 2011
• Grant date: Feb 18, 2014
• Expiry date: Feb 23, 2032

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present disclosure relates to specific (poly-)glycerol partial esters with at least one carboxylic acid and one polyfunctional carboxylic acid, and to the use thereof as emulsifier and to formulations comprising partial esters of the present disclosure.