Acidic composition based on lipid vesicles and its use in topica

Details Acidic composition based on lipid vesicles and its use in topica Acidic composition based on lipid vesicles and its use in topica

1996-02-23

1998-09-08

Lovering, Richard D.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Liposomes

424 59, 424401, 4284022, 514574, 514845, 514846, 514859, 514941, A61K 9127, A61K 9133, A61K 742, A61K 910

Patent

active

058042164

ABSTRACT:
A composition containing a dispersion of lipid vesicles with an aqueous core and/or of lipid vesicles with an oily core. At least one acidic compound is present in the dispersion in an amount which is sufficient to impart a pH of less than 5 to the composition. The lipid membrane of the vesicles with an aqueous core does not contain:

REFERENCES:
patent: 4217344 (1980-08-01), Vanlerberghe et al.
patent: 4897308 (1990-01-01), Vanlerberghe et al.
patent: 4911928 (1990-03-01), Wallach
patent: 4946683 (1990-08-01), Forssen
patent: 5229104 (1993-07-01), Sottery et al.
patent: 5405615 (1995-04-01), Mathur
patent: 5470880 (1995-11-01), Yu et al.
patent: 5626868 (1997-05-01), Morancais et al.
French Search Report Dated Jan. 5, 1996.

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