Patent · US Expired

Freeze dried liposome encapsulated amphiphilic drug compositions and a process for the preparation thereof

US6221385A · kind A · utility

65Cited by
0References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 1999
Grant dateApr 24, 2001
Priority date
Expiry dateFeb 2, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/127
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A process for the preparation of freeze dried liposome encapsulated amphiphilic drug compositions, which process comprises preparing a liposomal suspension of multilamellar vesicles (MLVs) which encapsulate an amphiphilic drug compsition, adding sorbitol to the liposomal suspension and lyophilisation of the suspension.

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