Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Patent
1988-08-15
1990-09-04
Lovering, Richard D.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
264 46, 4284022, 514861, 514887, 514937, 514947, 514969, A61K 9127, A61K 3722
Patent
active
049543458
ABSTRACT:
The present invention is directed to a pharmaceutical preparation for external or transdermal application which comprises a dispersion of liposomes, wherein said liposomes incorporate or enclose an active ingredient.
REFERENCES:
patent: 3957971 (1976-05-01), Oleniacz
patent: 4427649 (1984-01-01), Dingle et al.
patent: 4438052 (1984-03-01), Weder et al.
Lovering Richard D.
Rohm Pharma GmbH
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