Stabilized liposomes

Details Stabilized liposomes Stabilized liposomes

1997-05-02

1999-10-05

Kishore, Gollamudi S.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Liposomes

424401, A61K 9127

Patent

active

059620153

ABSTRACT:
Lecithin-type liposomes are stabilized with quaternized alkyated polymers, such as steardimonium hydroxyethylcellulose, to provide excellent stability for cosmetic and pharmaceutical formulations. Temperature, storage, solvent, and acidity stability are described. The stabilized liposomes can serve as vectors for alpha-hydroxy acids and showed no aggregation even after 4 months of storage at pH 2.

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Fiche Technique, "Pro-Lipos", Lucas Meyer France S.A.

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