Patent · US Active

Peg free stable low viscosity oil-in-water emulsion and use thereof

US10292925B2 · kind B2 · utility

6Cited by

8References

20Claims

0Family size

Assignees

Evonik Specialty Chemicals (Shanghai) Co., Ltd. · CN
EVONIK DEGUSSA GMBH · DE

Inventors

Yinghua Gu · Shanghai, CN
Haizhou Zhang · Shanghai, CN
Achim Friedrich · Hattingen, DE
Juergen Meyer · Taunusstein, DE
Verena Dahl · Cologne, DE
Juan Chu · Shanghai, CN
Jan Marian von Hof · Bochum, DE

Key dates

Filing date	Mar 13, 2015
Grant date	May 21, 2019
Priority date	—
Expiry date	Mar 13, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/48
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to a PEG free, stable, low viscosity classic oil-in-water emulsion and the use and preparation thereof. The oil-in-water emulsion comprises, A) a primary emulsifier selected from alkyl polyglucosides and long chained polyglycerol esters, B) a secondary emulsifier selected from short chained polyglycerol esters and short chained sorbitan esters, and optionally a thickener if the amount of secondary emulsifier is below 2.5 wt. %. The emulsion is a classic emulsion and can be sprayable. The emulsion is suitable to prepare spray or foam emulsion products with good application effect.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.