Patent · US Expired

Emulsion vehicle for poorly soluble drugs

US6982282B2 · kind B2 · utility

43Cited by
30References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 2002
Grant dateJan 3, 2006
Priority date
Expiry dateFeb 3, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/915
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An emulsion of α-tocopherol, stabilized by biocompatible surfactants, as a vehicle or carrier for therapeutic drugs, which is substantially ethanol free and which can be administered to animals or humans via various routes is disclosed. Also included in the emulsion is PEGylated vitamin E. PEGylated α-tocopherol includes polyethylene glycol subunits attached by a succinic acid diester at the ring hydroxyl of vitamin E and serves as a primary surfactant, stabilizer and a secondary solvent in emulsions of α-tocopherol.

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