Patent · US Expired

Oil in water microemulsion

US6426078B1 · kind B1 · utility

31Cited by

4References

55Claims

0Family size

Assignee

Roche Vitamins Inc. · US

Inventors

Kurt Bauer · Bietigheim-Bissingen, DE
Clarissa Neuber · Villingen-Schwenningen, DE
Axel Schmid · Munich, DE
Karl Manfred Völker · Glückstadt, DE

Key dates

Filing date	Feb 26, 1998
Grant date	Jul 30, 2002
Priority date	—
Expiry date	Feb 26, 2018

Classification

Technology area (CPC A)Human Necessities
CPC primaryA23V2002/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention is concerned with a microemulsion of the oil-in water type, containing at least one polyglycerol ester as the emulsifier and at least one lipophilic substance as the internal phase.The emulsifier contains a triglycerol monofatty acid ester and the lipophilic substance is one from the group carotenoids, especially, &bgr;-carotene, vitamins A, D, E and K and their derivatives and polyunsaturated fatty acids.

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