Rhamnolipid esters as nonionic surfactants for cosmetic use

US10676495B2 · kind B2 · utility

Assignee

• Evonik Operations GmbH · DE

Inventors

• Xin Lu · Beijing, CN
• Sandra Nattland · Essen, DE
• Monica Desiree van Logchem · Zevenbergen, NL
• Hans Henning Wenk · Mülheim an der Ruhr, DE
• Fabien Cabirol · Essen, DE
• Verena Dahl · Cologne, DE
• Ralph Scheuermann · Bottrop, DE
• Kathrin Daniela Brandt · Düsseldorf, DE
• Jochen Kleinen · Heinsberg, DE

Key dates

• Filing date: Feb 15, 2017
• Grant date: Jun 9, 2020
• Expiry date: Feb 15, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K8/604
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention provides ester derivatives of rhamnolipids, formulations comprising these, and the use thereof.