Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form
Patent
1986-03-21
1988-05-17
Waddell, Frederick E.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Particulate form
424 4, 424 5, 424450, 424491, 424493, 514 3, 514 31, A61K 916, A61K 3722, A61K 950
Patent
active
047449896
ABSTRACT:
A method is provided for preparing stable liposome precursors in the form of a water-soluble carrier material coated with a predetermined amount of a thin film of liposome components, which method includes the steps of dissolving at least one liposome-forming amphipathic lipid, optionally, at least one biologically active compound, and, optionally, at least one adjuvant in a suitable organic solvent and employing the resulting organic solution to coat a suitable water-soluble carrier material to form thin film of predetermined amount of liposome components thereon. Upon exposing the coated carrier material to water, the thin films of liposome components hydrate and the carrier material dissolves to give liposome preparations.
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patent: 4247411 (1981-01-01), Vanlerberghe et al.
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patent: 4508703 (1985-04-01), Redziniak et al.
Ryman, B. E., "The Use of Liposomes as Carriers of Drugs and Other Cell-Modifying Molecules," Proc. 6th Int'l. Congr. Pharmacol. 5, 91 (1976).
Ambrose Cheryl V.
Payne Nicholas I.
Timmins Peter
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
Rodney Burton
Waddell Frederick E.
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