Polyglycerol partial esters, preparation and use thereof

US9409853B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Dominik Schuch · Düsseldorf, DE
• Wolfgang Berkels · Bottrop, DE
• Oliver Springer · Wesel, DE
• Christian Hartung · Essen, DE
• Hilke Condé · Gladbeck, DE
• Baerbel Klann-Metz · Essen, DE

Key dates

• Filing date: Dec 9, 2014
• Grant date: Aug 9, 2016
• Expiry date: Dec 13, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/49
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Polyglycerol partial esters of a specific composition which are capable of solubilizing very hydrophobic, oil-soluble substances in aqueous solution are provided. The preparation and use of these polyglycol ether-free solubilizers in cosmetic formulations are also disclosed.